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Glencoe Math Course 2, Grade: 7 Publisher: Glencoe/McGraw-Hill
Glencoe math course 2, title : glencoe math course 2, publisher : glencoe/mcgraw-hill, isbn : not available, isbn-13 : 9780021359141, use the table below to find videos, mobile apps, worksheets and lessons that supplement glencoe math course 2., textbook resources.
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5 m 2 5 m 2
3 y 2 ( 3 x + 2 x 2 + 7 y ) 3 y 2 ( 3 x + 2 x 2 + 7 y )
3 p ( p 2 − 2 p q + 3 q 2 ) 3 p ( p 2 − 2 p q + 3 q 2 )
2 x 2 ( x + 6 ) 2 x 2 ( x + 6 )
3 y 2 ( 2 y − 5 ) 3 y 2 ( 2 y − 5 )
3 x y ( 5 x 2 − x y + 2 y 2 ) 3 x y ( 5 x 2 − x y + 2 y 2 )
2 a b ( 4 a 2 + a b − 3 b 2 ) 2 a b ( 4 a 2 + a b − 3 b 2 )
−4 b ( b 2 − 4 b + 2 ) −4 b ( b 2 − 4 b + 2 )
−7 a ( a 2 − 3 a + 2 ) −7 a ( a 2 − 3 a + 2 )
( m + 3 ) ( 4 m − 7 ) ( m + 3 ) ( 4 m − 7 )
( n − 4 ) ( 8 n + 5 ) ( n − 4 ) ( 8 n + 5 )
( x + 8 ) ( y + 3 ) ( x + 8 ) ( y + 3 )
( a + 7 ) ( b + 8 ) ( a + 7 ) ( b + 8 )
ⓐ ( x − 5 ) ( x + 2 ) ( x − 5 ) ( x + 2 ) ⓑ ( 5 x − 4 ) ( 4 x − 3 ) ( 5 x − 4 ) ( 4 x − 3 )
ⓐ ( y + 4 ) ( y − 7 ) ( y + 4 ) ( y − 7 ) ⓑ ( 7 m − 3 ) ( 6 m − 5 ) ( 7 m − 3 ) ( 6 m − 5 )
( q + 4 ) ( q + 6 ) ( q + 4 ) ( q + 6 )
( t + 2 ) ( t + 12 ) ( t + 2 ) ( t + 12 )
( u − 3 ) ( u − 6 ) ( u − 3 ) ( u − 6 )
( y − 7 ) ( y − 9 ) ( y − 7 ) ( y − 9 )
( m + 3 ) ( m + 6 ) ( m + 3 ) ( m + 6 )
( n − 3 ) ( n − 4 ) ( n − 3 ) ( n − 4 )
( a − b ) ( a − 10 b ) ( a − b ) ( a − 10 b )
( m − n ) ( m − 12 n ) ( m − n ) ( m − 12 n )
5 x ( x − 1 ) ( x + 4 ) 5 x ( x − 1 ) ( x + 4 )
6 y ( y − 2 ) ( y + 5 ) 6 y ( y − 2 ) ( y + 5 )
( a + 1 ) ( 2 a + 3 ) ( a + 1 ) ( 2 a + 3 )
( b + 1 ) ( 4 b + 1 ) ( b + 1 ) ( 4 b + 1 )
( 2 x − 3 ) ( 4 x − 1 ) ( 2 x − 3 ) ( 4 x − 1 )
( 2 y − 7 ) ( 5 y − 1 ) ( 2 y − 7 ) ( 5 y − 1 )
( 3 x + 2 y ) ( 6 x − 5 y ) ( 3 x + 2 y ) ( 6 x − 5 y )
( 3 x + y ) ( 10 x − 21 y ) ( 3 x + y ) ( 10 x − 21 y )
5 n ( n − 4 ) ( 3 n − 5 ) 5 n ( n − 4 ) ( 3 n − 5 )
8 q ( q + 6 ) ( 7 q − 2 ) 8 q ( q + 6 ) ( 7 q − 2 )
( x + 2 ) ( 6 x + 1 ) ( x + 2 ) ( 6 x + 1 )
( 2 y + 1 ) ( 2 y + 3 ) ( 2 y + 1 ) ( 2 y + 3 )
4 ( 2 x − 3 ) ( 2 x − 1 ) 4 ( 2 x − 3 ) ( 2 x − 1 )
3 ( 3 w − 2 ) ( 2 w − 3 ) 3 ( 3 w − 2 ) ( 2 w − 3 )
( h 2 − 2 ) ( h 2 + 6 ) ( h 2 − 2 ) ( h 2 + 6 )
( y 2 + 4 ) ( y 2 − 5 ) ( y 2 + 4 ) ( y 2 − 5 )
( x − 3 ) ( x − 1 ) ( x − 3 ) ( x − 1 )
( y − 1 ) ( y + 1 ) ( y − 1 ) ( y + 1 )
( 2 x + 3 ) 2 ( 2 x + 3 ) 2
( 3 y + 4 ) 2 ( 3 y + 4 ) 2
( 8 y − 5 ) 2 ( 8 y − 5 ) 2
( 4 z − 9 ) 2 ( 4 z − 9 ) 2
( 7 x + 6 y ) 2 ( 7 x + 6 y ) 2
( 8 m + 7 n ) 2 ( 8 m + 7 n ) 2
2 y ( 2 x − 3 ) 2 2 y ( 2 x − 3 ) 2
3 q ( 3 p + 5 ) 2 3 q ( 3 p + 5 ) 2
( 11 m − 1 ) ( 11 m + 1 ) ( 11 m − 1 ) ( 11 m + 1 )
( 9 y − 1 ) ( 9 y + 1 ) ( 9 y − 1 ) ( 9 y + 1 )
( 16 m − 5 n ) ( 16 m + 5 n ) ( 16 m − 5 n ) ( 16 m + 5 n )
( 11 p − 3 q ) ( 11 p + 3 q ) ( 11 p − 3 q ) ( 11 p + 3 q )
2 y 2 ( x − 2 ) ( x + 2 ) ( x 2 + 4 ) 2 y 2 ( x − 2 ) ( x + 2 ) ( x 2 + 4 )
7 c 2 ( a − b ) ( a + b ) ( a 2 + b 2 ) 7 c 2 ( a − b ) ( a + b ) ( a 2 + b 2 )
( x − 5 − y ) ( x − 5 + y ) ( x − 5 − y ) ( x − 5 + y )
( x + 3 − 2 y ) ( x + 3 + 2 y ) ( x + 3 − 2 y ) ( x + 3 + 2 y )
( x + 3 ) ( x 2 − 3 x + 9 ) ( x + 3 ) ( x 2 − 3 x + 9 )
( y + 2 ) ( y 2 − 2 y + 4 ) ( y + 2 ) ( y 2 − 2 y + 4 )
( 2 x − 3 y ) ( 4 x 2 + 6 x y + 9 y 2 ) ( 2 x − 3 y ) ( 4 x 2 + 6 x y + 9 y 2 )
( 10 m − 5 n ) ( 100 m 2 + 50 m n + 25 n 2 ) ( 10 m − 5 n ) ( 100 m 2 + 50 m n + 25 n 2 )
4 ( 5 p + q ) ( 25 p 2 − 5 p q + q 2 ) 4 ( 5 p + q ) ( 25 p 2 − 5 p q + q 2 )
2 ( 6 c + 7 d ) ( 36 c 2 − 42 c d + 49 d 2 ) 2 ( 6 c + 7 d ) ( 36 c 2 − 42 c d + 49 d 2 )
( −2 y + 1 ) ( 13 y 2 + 5 y + 1 ) ( −2 y + 1 ) ( 13 y 2 + 5 y + 1 )
( −4 n + 3 ) ( 31 n 2 + 21 n + 9 ) ( −4 n + 3 ) ( 31 n 2 + 21 n + 9 )
8 y ( y − 1 ) ( y + 3 ) 8 y ( y − 1 ) ( y + 3 )
5 y ( y − 9 ) ( y + 6 ) 5 y ( y − 9 ) ( y + 6 )
4 x ( 2 x − 3 ) ( 2 x + 3 ) 4 x ( 2 x − 3 ) ( 2 x + 3 )
3 ( 3 y − 4 ) ( 3 y + 4 ) 3 ( 3 y − 4 ) ( 3 y + 4 )
( 2 x + 5 y ) 2 ( 2 x + 5 y ) 2
( 3 x − 4 y ) 2 ( 3 x − 4 y ) 2
2 x y ( 25 x 2 + 36 ) 2 x y ( 25 x 2 + 36 )
3 x y ( 9 y 2 + 16 ) 3 x y ( 9 y 2 + 16 )
2 ( 5 m + 6 n ) ( 25 m 2 − 30 m n + 36 n 2 ) 2 ( 5 m + 6 n ) ( 25 m 2 − 30 m n + 36 n 2 )
2 ( p + 3 q ) ( p 2 − 3 p q + 9 q 2 ) 2 ( p + 3 q ) ( p 2 − 3 p q + 9 q 2 )
4 a b ( a 2 + 4 ) ( a − 2 ) ( a + 2 ) 4 a b ( a 2 + 4 ) ( a − 2 ) ( a + 2 )
7 x y ( y 2 + 1 ) ( y − 1 ) ( y + 1 ) 7 x y ( y 2 + 1 ) ( y − 1 ) ( y + 1 )
6 ( x + b ) ( x − 2 c ) 6 ( x + b ) ( x − 2 c )
2 ( 4 x − 1 ) ( 2 x + 3 y ) 2 ( 4 x − 1 ) ( 2 x + 3 y )
4 q ( p − 3 ) ( p − 1 ) 4 q ( p − 3 ) ( p − 1 )
3 p ( 2 q + 1 ) ( q − 2 ) 3 p ( 2 q + 1 ) ( q − 2 )
( 2 x − 3 y − 5 ) ( 2 x − 3 y + 5 ) ( 2 x − 3 y − 5 ) ( 2 x − 3 y + 5 )
( 4 x − 3 y − 8 ) ( 4 x − 3 y + 8 ) ( 4 x − 3 y − 8 ) ( 4 x − 3 y + 8 )
m = 2 3 , m = − 1 2 m = 2 3 , m = − 1 2
p = − 3 4 , p = 3 4 p = − 3 4 , p = 3 4
c = 2 , c = 4 3 c = 2 , c = 4 3
d = 3 , d = − 1 2 d = 3 , d = − 1 2
p = 7 5 , p = − 7 5 p = 7 5 , p = − 7 5
x = 11 6 , x = − 11 6 x = 11 6 , x = − 11 6
m = 1 , m = 3 2 m = 1 , m = 3 2
k = 3 , k = −3 k = 3 , k = −3
a = − 5 2 , a = 2 3 a = − 5 2 , a = 2 3
b = −2 , b = − 1 20 b = −2 , b = − 1 20
x = 0 , x = 3 2 x = 0 , x = 3 2
y = 0 , y = 1 4 y = 0 , y = 1 4
ⓐ x = −3 x = −3 or x = 5 x = 5 ⓑ ( −3 , 7 ) ( −3 , 7 ) ( 5 , 7 ) ( 5 , 7 )
ⓐ x = 1 x = 1 or x = 7 x = 7 ⓑ ( 1 , −4 ) ( 1 , −4 ) ( 7 , −4 ) ( 7 , −4 )
ⓐ x = 1 x = 1 or x = 5 2 x = 5 2 ⓑ ( 1 , 0 ) , ( 1 , 0 ) , ( 5 2 , 0 ) ( 5 2 , 0 ) ⓒ ( 0 , 5 ) ( 0 , 5 )
ⓐ x = −3 x = −3 or x = 5 6 x = 5 6 ⓑ ( −3 , 0 ) , ( −3 , 0 ) , ( 5 6 , 0 ) ( 5 6 , 0 ) ⓒ ( 0 , −15 ) ( 0 , −15 )
−15 , −17 −15 , −17 and 15, 17
−23 , −21 −23 , −21 and 21, 23
The width is 5 feet and length is 6 feet.
The length of the patio is 12 feet and the width 15 feet.
5 feet and 12 feet
24 feet and 25 feet
ⓐ 5 ⓑ 0;3 ⓒ 196
ⓐ 4 ⓑ 0;2 ⓒ 144
Section 6.1 Exercises
2 p q 2 p q
6 m 2 n 3 6 m 2 n 3
5 x 3 y 5 x 3 y
3 ( 2 m + 3 ) 3 ( 2 m + 3 )
9 ( n − 7 ) 9 ( n − 7 )
3 ( x 2 + 2 x − 3 ) 3 ( x 2 + 2 x − 3 )
2 ( 4 p 2 + 2 p + 1 ) 2 ( 4 p 2 + 2 p + 1 )
8 y 2 ( y + 2 ) 8 y 2 ( y + 2 )
5 x ( x 2 − 3 x + 4 ) 5 x ( x 2 − 3 x + 4 )
3 x ( 8 x 2 − 4 x + 5 ) 3 x ( 8 x 2 − 4 x + 5 )
6 y 2 ( 2 x + 3 x 2 − 5 y ) 6 y 2 ( 2 x + 3 x 2 − 5 y )
4 x y ( 5 x 2 − x y + 3 y 2 ) 4 x y ( 5 x 2 − x y + 3 y 2 )
−2 ( x + 2 ) −2 ( x + 2 )
−2 x ( x 2 − 9 x + 4 ) −2 x ( x 2 − 9 x + 4 )
−4 p q ( p 2 + 3 p q − 4 q ) −4 p q ( p 2 + 3 p q − 4 q )
( x + 1 ) ( 5 x + 3 ) ( x + 1 ) ( 5 x + 3 )
( b − 2 ) ( 3 b − 13 ) ( b − 2 ) ( 3 b − 13 )
( b + 5 ) ( a + 3 ) ( b + 5 ) ( a + 3 )
( y + 5 ) ( 8 y + 1 ) ( y + 5 ) ( 8 y + 1 )
( u + 2 ) ( v − 9 ) ( u + 2 ) ( v − 9 )
( u − 1 ) ( u + 6 ) ( u − 1 ) ( u + 6 )
( 3 p − 5 ) ( 3 p + 4 ) ( 3 p − 5 ) ( 3 p + 4 )
( n − 6 ) ( m − 4 ) ( n − 6 ) ( m − 4 )
( x − 7 ) ( 2 x − 5 ) ( x − 7 ) ( 2 x − 5 )
−9 x y ( 3 x + 2 y ) −9 x y ( 3 x + 2 y )
( x 2 + 2 ) ( 3 x − 7 ) ( x 2 + 2 ) ( 3 x − 7 )
( x + y ) ( x + 5 ) ( x + y ) ( x + 5 )
Answers will vary.
Section 6.2 Exercises
( p + 5 ) ( p + 6 ) ( p + 5 ) ( p + 6 )
( n + 3 ) ( n + 16 ) ( n + 3 ) ( n + 16 )
( a + 5 ) ( a + 20 ) ( a + 5 ) ( a + 20 )
( x − 2 ) ( x − 6 ) ( x − 2 ) ( x − 6 )
( y − 3 ) ( y − 15 ) ( y − 3 ) ( y − 15 )
( x − 1 ) ( x − 7 ) ( x − 1 ) ( x − 7 )
( p − 1 ) ( p + 6 ) ( p − 1 ) ( p + 6 )
( x − 4 ) ( x − 2 ) ( x − 4 ) ( x − 2 )
( x − 12 ) ( x + 1 ) ( x − 12 ) ( x + 1 )
( x + 8 y ) ( x − 10 y ) ( x + 8 y ) ( x − 10 y )
( m + n ) ( m − 65 n ) ( m + n ) ( m − 65 n )
( a + 8 b ) ( a − 3 b ) ( a + 8 b ) ( a − 3 b )
p ( p − 10 ) ( p + 2 ) p ( p − 10 ) ( p + 2 )
3 m ( m − 5 ) ( m − 2 ) 3 m ( m − 5 ) ( m − 2 )
5 x 2 ( x − 3 ) ( x + 5 ) 5 x 2 ( x − 3 ) ( x + 5 )
( 2 t + 5 ) ( t + 1 ) ( 2 t + 5 ) ( t + 1 )
( 11 x + 1 ) ( x + 3 ) ( 11 x + 1 ) ( x + 3 )
( 4 w − 1 ) ( w − 1 ) ( 4 w − 1 ) ( w − 1 )
( 4 q + 1 ) ( q − 2 ) ( 4 q + 1 ) ( q − 2 )
( 2 p − 5 q ) ( 3 p − 2 q ) ( 2 p − 5 q ) ( 3 p − 2 q )
( 4 a − 3 b ) ( a + 5 b ) ( 4 a − 3 b ) ( a + 5 b )
−16 ( x + 1 ) ( x + 1 ) −16 ( x + 1 ) ( x + 1 )
−10 q ( 3 q + 2 ) ( q + 4 ) −10 q ( 3 q + 2 ) ( q + 4 )
( 5 n + 1 ) ( n + 4 ) ( 5 n + 1 ) ( n + 4 )
( 2 k − 3 ) ( 2 k − 5 ) ( 2 k − 3 ) ( 2 k − 5 )
( 3 y + 5 ) ( 2 y − 3 ) ( 3 y + 5 ) ( 2 y − 3 )
( 2 n + 3 ) ( n − 15 ) ( 2 n + 3 ) ( n − 15 )
10 ( 6 y − 1 ) ( y + 5 ) 10 ( 6 y − 1 ) ( y + 5 )
3 z ( 8 z + 3 ) ( 2 z − 5 ) 3 z ( 8 z + 3 ) ( 2 z − 5 )
8 ( 2 s + 3 ) ( s + 1 ) 8 ( 2 s + 3 ) ( s + 1 )
12 ( 4 y − 3 ) ( y + 1 ) 12 ( 4 y − 3 ) ( y + 1 )
( x 2 + 3 ) ( x 2 − 4 ) ( x 2 + 3 ) ( x 2 − 4 )
( x 2 − 7 ) ( x 2 + 4 ) ( x 2 − 7 ) ( x 2 + 4 )
( 3 y − 4 ) ( 3 y − 1 ) ( 3 y − 4 ) ( 3 y − 1 )
( u − 6 ) ( u − 6 ) ( u − 6 ) ( u − 6 )
( r − 4 s ) ( r − 16 s ) ( r − 4 s ) ( r − 16 s )
( 4 y − 7 ) ( 3 y − 2 ) ( 4 y − 7 ) ( 3 y − 2 )
( 2 n − 1 ) ( 3 n + 4 ) ( 2 n − 1 ) ( 3 n + 4 )
13 ( z 2 + 3 z − 2 ) 13 ( z 2 + 3 z − 2 )
3 p ( p + 7 ) 3 p ( p + 7 )
6 ( r + 2 ) ( r + 3 ) 6 ( r + 2 ) ( r + 3 )
4 ( 2 n + 1 ) ( 3 n + 1 ) 4 ( 2 n + 1 ) ( 3 n + 1 )
( x 2 + 2 ) ( x 2 − 6 ) ( x 2 + 2 ) ( x 2 − 6 )
( x − 9 ) ( x + 6 ) ( x − 9 ) ( x + 6 )
Section 6.3 Exercises
( 4 y + 3 ) 2 ( 4 y + 3 ) 2
( 6 s + 7 ) 2 ( 6 s + 7 ) 2
( 10 x − 1 ) 2 ( 10 x − 1 ) 2
( 5 n − 12 ) 2 ( 5 n − 12 ) 2
( 7 x + 2 y ) 2 ( 7 x + 2 y ) 2
( 10 y − 1 ) 2 ( 10 y − 1 ) 2
10 j ( k + 4 ) 2 10 j ( k + 4 ) 2
3 u 2 ( 5 u − v ) 2 3 u 2 ( 5 u − v ) 2
( 5 v − 1 ) ( 5 v + 1 ) ( 5 v − 1 ) ( 5 v + 1 )
( 2 − 7 x ) ( 2 + 7 x ) ( 2 − 7 x ) ( 2 + 7 x )
6 p 2 ( q − 3 ) ( q + 3 ) 6 p 2 ( q − 3 ) ( q + 3 )
6 ( 4 p 2 + 9 ) 6 ( 4 p 2 + 9 )
( 11 x − 12 y ) ( 11 x + 12 y ) ( 11 x − 12 y ) ( 11 x + 12 y )
( 13 c − 6 d ) ( 13 c + 6 d ) ( 13 c − 6 d ) ( 13 c + 6 d )
( 2 z − 1 ) ( 2 z + 1 ) ( 4 z 2 + 1 ) ( 2 z − 1 ) ( 2 z + 1 ) ( 4 z 2 + 1 )
2 b 2 ( 3 a − 2 ) ( 3 a + 2 ) ( 9 a 2 + 4 ) 2 b 2 ( 3 a − 2 ) ( 3 a + 2 ) ( 9 a 2 + 4 )
( x − 8 − y ) ( x − 8 + y ) ( x − 8 − y ) ( x − 8 + y )
( a + 3 − 3 b ) ( a + 3 + 3 b ) ( a + 3 − 3 b ) ( a + 3 + 3 b )
( x + 5 ) ( x 2 − 5 x + 25 ) ( x + 5 ) ( x 2 − 5 x + 25 )
( z 2 − 3 ) ( z 4 + 3 z 2 + 9 ) ( z 2 − 3 ) ( z 4 + 3 z 2 + 9 )
( 2 − 7 t ) ( 4 + 14 t + 49 t 2 ) ( 2 − 7 t ) ( 4 + 14 t + 49 t 2 )
( 2 y − 5 z ) ( 4 y 2 + 10 y z + 25 z 2 ) ( 2 y − 5 z ) ( 4 y 2 + 10 y z + 25 z 2 )
( 6 a + 5 b ) ( 36 a 2 − 30 a b + 25 b 2 ) ( 6 a + 5 b ) ( 36 a 2 − 30 a b + 25 b 2 )
7 ( k + 2 ) ( k 2 − 2 k + 4 ) 7 ( k + 2 ) ( k 2 − 2 k + 4 )
2 x 2 ( 1 − 2 y ) ( 1 + 2 y + 4 y 2 ) 2 x 2 ( 1 − 2 y ) ( 1 + 2 y + 4 y 2 )
9 ( x + 1 ) ( x 2 + 3 ) 9 ( x + 1 ) ( x 2 + 3 )
− ( 3 y + 5 ) ( 21 y 2 − 30 y + 25 ) − ( 3 y + 5 ) ( 21 y 2 − 30 y + 25 )
( 8 a − 5 ) ( 8 a + 5 ) ( 8 a − 5 ) ( 8 a + 5 )
3 ( 3 q − 1 ) ( 3 q + 1 ) 3 ( 3 q − 1 ) ( 3 q + 1 )
( 4 x − 9 ) 2 ( 4 x − 9 ) 2
2 ( 4 p 2 + 1 ) 2 ( 4 p 2 + 1 )
( 5 − 2 y ) ( 25 + 10 y + 4 y 2 ) ( 5 − 2 y ) ( 25 + 10 y + 4 y 2 )
5 ( 3 n + 2 ) 2 5 ( 3 n + 2 ) 2
( x + y − 5 ) ( x − y − 5 ) ( x + y − 5 ) ( x − y − 5 )
( 3 x + 1 ) ( 3 x 2 + 1 ) ( 3 x + 1 ) ( 3 x 2 + 1 )
Section 6.4 Exercises
( 2 n − 1 ) ( n + 7 ) ( 2 n − 1 ) ( n + 7 )
a 3 ( a 2 + 9 ) a 3 ( a 2 + 9 )
( 11 r − s ) ( 11 r + s ) ( 11 r − s ) ( 11 r + s )
8 ( m − 2 ) ( m + 2 ) 8 ( m − 2 ) ( m + 2 )
( 5 w − 6 ) 2 ( 5 w − 6 ) 2
( m + 7 n ) 2 ( m + 7 n ) 2
7 ( b + 3 ) ( b - 2 ) 7 ( b + 3 ) ( b - 2 )
3 x y ( x − 3 ) ( x 2 + 3 x + 9 ) 3 x y ( x − 3 ) ( x 2 + 3 x + 9 )
( k − 2 ) ( k + 2 ) ( k 2 + 4 ) ( k − 2 ) ( k + 2 ) ( k 2 + 4 )
5 x y 2 ( x 2 + 4 ) ( x + 2 ) ( x − 2 ) 5 x y 2 ( x 2 + 4 ) ( x + 2 ) ( x − 2 )
3 ( 5 p + 4 ) ( q − 1 ) 3 ( 5 p + 4 ) ( q − 1 )
4 ( x + 3 ) ( x + 7 ) 4 ( x + 3 ) ( x + 7 )
4 u 2 ( u + 1 ) ( u 2 − u + 1 ) 4 u 2 ( u + 1 ) ( u 2 − u + 1 )
10 ( m − 5 ) ( m + 5 ) ( m 2 + 25 ) 10 ( m − 5 ) ( m + 5 ) ( m 2 + 25 )
3 y ( 3 x + 2 ) ( 4 x − 1 ) 3 y ( 3 x + 2 ) ( 4 x − 1 )
( y + 1 ) ( y − 1 ) ( y 2 − y + 1 ) ( y 2 + y + 1 ) ( y + 1 ) ( y − 1 ) ( y 2 − y + 1 ) ( y 2 + y + 1 )
( 3 x − y + 7 ) ( 3 x − y − 7 ) ( 3 x − y + 7 ) ( 3 x − y − 7 )
( 3 x - 2 ) 2 ( 3 x - 2 ) 2
Section 6.5 Exercises
a = 10 / 3 , a = 7 / 2 a = 10 / 3 , a = 7 / 2
m = 0 , m = 5 / 12 m = 0 , m = 5 / 12
x = 1 / 2 x = 1 / 2
a = −4 5 , a = 6 a = −4 5 , a = 6
m = 5 / 4 , m = 3 m = 5 / 4 , m = 3
a = −1 , a = 0 a = −1 , a = 0
m = 12 / 7 , m = −12 / 7 m = 12 / 7 , m = −12 / 7
y = −9 / 4 , y = 9 / 4 y = −9 / 4 , y = 9 / 4
n = −6 / 11 , n = 6 / 11 n = −6 / 11 , n = 6 / 11
x = 2 , x = −5 x = 2 , x = −5
x = 3 / 2 , x = −1 x = 3 / 2 , x = −1
x = 2 , x = −4 / 3 x = 2 , x = −4 / 3
x = 3 / 2 x = 3 / 2
x = −3 / 2 , x = 1 / 3 x = −3 / 2 , x = 1 / 3
p = 0 , p = ¾ p = 0 , p = ¾
x = 0 , x = 6 x = 0 , x = 6
x = 0 , x = –1 / 3 x = 0 , x = –1 / 3
ⓐ x = 2 x = 2 or x = 6 x = 6 ⓑ ( 2 , −4 ) ( 2 , −4 ) ( 6 , −4 ) ( 6 , −4 )
ⓐ x = 3 2 x = 3 2 or x = 3 4 x = 3 4 ⓑ ( 3 2 , −4 ) ( 3 2 , −4 ) ( 3 4 , −4 ) ( 3 4 , −4 )
ⓐ x = 2 3 x = 2 3 or x = − 2 3 x = − 2 3 ⓑ ( 2 3 , 0 ) ( 2 3 , 0 ) , ( − 2 3 , 0 ) ( − 2 3 , 0 ) ⓒ ( 0 , −4 ) ( 0 , −4 )
ⓐ x = 5 3 x = 5 3 or x = − 1 2 x = − 1 2 ⓑ ( 5 3 , 0 ) ( 5 3 , 0 ) , ( − 1 2 , 0 ) ( − 1 2 , 0 ) ⓒ ( 0 , −5 ) ( 0 , −5 )
−13 , −11 −13 , −11 and 11, 13
−14 , −12 −14 , −12 and 12, 14
Review Exercises
3 a b 2 3 a b 2
7 ( 5 y + 12 ) 7 ( 5 y + 12 )
3 x ( 6 x 2 − 5 ) 3 x ( 6 x 2 − 5 )
4 x ( x 2 − 3 x + 4 ) 4 x ( x 2 − 3 x + 4 )
−3 x ( x 2 − 9 x + 4 ) −3 x ( x 2 − 9 x + 4 )
( a + b ) ( x − y ) ( a + b ) ( x − y )
( x − 3 ) ( x + 7 ) ( x − 3 ) ( x + 7 )
( m 2 + 1 ) ( m + 1 ) ( m 2 + 1 ) ( m + 1 )
( a + 3 ) ( a + 11 ) ( a + 3 ) ( a + 11 )
( m + 9 ) ( m − 6 ) ( m + 9 ) ( m − 6 )
( x + 5 y ) ( x + 7 y ) ( x + 5 y ) ( x + 7 y )
( a + 7 b ) ( a − 3 b ) ( a + 7 b ) ( a − 3 b )
3 y ( y − 5 ) ( y − 2 ) 3 y ( y − 5 ) ( y − 2 )
( 5 y + 9 ) ( y + 1 ) ( 5 y + 9 ) ( y + 1 )
( 5 y + 1 ) ( 2 y − 11 ) ( 5 y + 1 ) ( 2 y − 11 )
−9 ( 9 a − 1 ) ( a + 2 ) −9 ( 9 a − 1 ) ( a + 2 )
( 3 a − 1 ) ( 6 a − 1 ) ( 3 a − 1 ) ( 6 a − 1 )
( 3 x − 1 ) ( 5 x + 2 ) ( 3 x − 1 ) ( 5 x + 2 )
3 ( x + 4 ) ( x − 3 ) 3 ( x + 4 ) ( x − 3 )
3 ( 2 a − 7 ) ( 3 a + 1 ) 3 ( 2 a − 7 ) ( 3 a + 1 )
( x 2 − 15 ) ( x 2 + 2 ) ( x 2 − 15 ) ( x 2 + 2 )
( 5 x + 3 ) 2 ( 5 x + 3 ) 2
10 ( 2 x + 9 ) 2 10 ( 2 x + 9 ) 2
( 13 m + n ) ( 13 m − n ) ( 13 m + n ) ( 13 m − n )
( 3 + 11 y ) ( 3 − 11 y ) ( 3 + 11 y ) ( 3 − 11 y )
n ( 13 n + 1 ) ( 13 n − 1 ) n ( 13 n + 1 ) ( 13 n − 1 )
( a − 5 ) ( a 2 + 5 a + 25 ) ( a − 5 ) ( a 2 + 5 a + 25 )
2 ( m + 3 ) ( m 2 − 3 m + 9 ) 2 ( m + 3 ) ( m 2 − 3 m + 9 )
4 x 2 ( 6 x + 11 ) 4 x 2 ( 6 x + 11 )
( 4 n − 7 m ) 2 ( 4 n − 7 m ) 2
5 u 2 ( u + 3 ) ( u − 3 ) 5 u 2 ( u + 3 ) ( u − 3 )
( b − 4 ) ( b 2 + 4 b + 16 ) ( b − 4 ) ( b 2 + 4 b + 16 )
( 2 b + 5 c ) ( b − c ) ( 2 b + 5 c ) ( b − c )
5 ( q + 3 ) ( q − 6 ) 5 ( q + 3 ) ( q − 6 )
( 4 x − 3 y + 8 ) ( 4 x − 3 y − 8 ) ( 4 x − 3 y + 8 ) ( 4 x − 3 y − 8 )
b = −1 / 5 , b = −1 / 6 b = −1 / 5 , b = −1 / 6
x = −4 , x = −5 x = −4 , x = −5
p = − 5 2 , p = 8 p = − 5 2 , p = 8
m = 5 12 , m = − 5 12 m = 5 12 , m = − 5 12
ⓐ x = −7 x = −7 or x = −4 x = −4 ⓑ ( −7 , −8 ) ( −7 , −8 ) ( −4 , −8 ) ( −4 , −8 )
ⓐ x = 7 8 x = 7 8 or x = − 7 8 x = − 7 8 ⓑ ( 7 8 , 0 ) , ( 7 8 , 0 ) , ( − 7 8 , 0 ) ( − 7 8 , 0 ) ⓒ ( 0 , −49 ) ( 0 , −49 )
The numbers are −21 −21 and −19 −19 or 19 and 21.
The lengths are 8, 15, and 17 ft.
Practice Test
40 a 2 ( 2 + 3 a ) 40 a 2 ( 2 + 3 a )
( x + 7 ) ( x + 6 ) ( x + 7 ) ( x + 6 )
( x − 8 ) ( y + 7 ) ( x − 8 ) ( y + 7 )
( 3 s − 2 ) 2 ( 3 s − 2 ) 2
3 ( x + 5 y ) ( x − 5 y ) 3 ( x + 5 y ) ( x − 5 y )
( 3 x 2 − 5 ) ( 2 x 2 − 3 ) ( 3 x 2 − 5 ) ( 2 x 2 − 3 )
a = 4 / 5 , a = −6 a = 4 / 5 , a = −6
The width is 12 inches and the length is 14 inches.
ⓐ x = 3 x = 3 or x = 4 x = 4 ⓑ ( 3 , −7 ) ( 3 , −7 ) ( 4 , −7 ) ( 4 , −7 )
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- Authors: Lynn Marecek
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- Book title: Intermediate Algebra
- Publication date: Mar 14, 2017
- Location: Houston, Texas
- Book URL: https://openstax.org/books/intermediate-algebra/pages/1-introduction
- Section URL: https://openstax.org/books/intermediate-algebra/pages/chapter-6
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Eureka Math Grade 6 Module 4 Lesson 6 Answer Key
Engage ny eureka math 6th grade module 4 lesson 6 answer key, eureka math grade 6 module 4 lesson 6 example answer key.
Example 1. Expressions with Only Addition, Subtraction, Multiplication, and Division
What operations are evaluated first? Answer: Multiplication and division are evaluated first, from left to right.
What operations are always evaluated last? Answer: Addition and subtraction are always evaluated last, from left to right.
Example 2. Expressions with Four Operations and Exponents 4 + 9 2 ÷ 3 × 2 – 2
What operation is evaluated first? Answer: Exponents (9 2 = 9 × 9 = 81)
What operations are evaluated next? Answer: Multiplication and division, from left to right (81 ÷ 3 = 27; 27 × 2 = 54)
What operations are always evaluated last? Answer: Addition and subtraction, from left to right (4 + 54 = 58; 58 – 2 = 56)
What is the final answer? Answer: 56
Example 3. Expressions with Parentheses Consider a family of 4 that goes to a soccer game. Tickets are $5.00 each. The mom also buys a soft drink for $2.00. How would you write this expression? Answer: 4 × 5 + 2
How much will this outing cost? Answer: $22
Consider a different scenario: The same family goes to the game as before, but each of the family members wants a drink. How would you write this expression? Answer: 4 × (5 + 2)
Why would you add the 5 and 2 first? Answer: We need to determine how much each person spends. Each person spends $7; then, we multiply by 4 people to figure out the total cost.
How much will this outing cost? Answer: $28
How many groups are there? Answer: 4
What does each group comprise? Answer: $5 + $2, or $7
Example 4. Expressions with Parentheses and Exponents 2 × (3 + 4) 2 Which value will we evaluate first within the parentheses? Evaluate. Answer: First, evaluate 4 2 which is 16; then, add 3.The value of the parentheses is 19. 2 × (3 + 4 2 ) 2 × (3 + 16) 2 × 19
Evaluate the rest of the expression. Answer: 2 × 19 = 38
What do you think will happen when the exponent in this expression is outside of the parentheses? 2 × (3 + 4) 2
Will the answer be the same? Answer: Answers will vary.
Which should we evaluate first? Evaluate. Answer: Parentheses 2 × (3 + 4) 2 2 × (7) 2
What happened differently here than in our last example? Answer: The 4 was not raised to the second power because it did not have an exponent. We simply added the values inside the parentheses.
What should our next step be?
We need to evaluate the exponent next. Answer: 7 2 = 7 × 7 = 49
Evaluate to find the final answer. Answer: 2 × 49 98
What do you notice about the two answers? Answer: The final answers were not the same.
What was different between the two expressions? Answer: Answers may vary. In the first problem, a value inside the parentheses had an exponent, and that value was evaluated first because it was inside of the parentheses. In the second problem, the exponent was outside of the parentheses, which made us evaluate what was in the parentheses first; then, we raised that value to the power of the exponent.
What conclusions can you draw about evaluating expressions with parentheses and exponents? Answer: Answers may vary. Regardless of the location of the exponent in the expression, evaluate the parentheses first. Sometimes there will be values with exponents inside the parentheses. If the exponent is outside the parentheses, evaluate the parentheses first, and then evaluate to the power of the exponent.
Eureka Math Grade 6 Module 4 Lesson 6 Exercise Answer Key
Exercise 1. 4 + 2 × 7 Answer: 4 + 14 18
Exercise 2. 36 ÷ 3 × 4 Answer: 12 × 4 48
Exercise 3. 20 − 5 × 2 Answer: 20 − 10 10
Exercise 4. 90 − 5 2 × 3 Answer: 90 − 25 × 3 90 − 75 15
Exercise 5. 4 3 + 2 × 8 Answer: 64 + 2 × 8 64 + 16 80
Exercise 6. 2 + (9 2 ) Answer: 2 + (81 – 4) 2 + 77 79
Exercise 7. 2 . (13 + 5 – 14 ÷ (3 + 4) Answer: 2 . (13 + 5 – 14 ÷ 7) 2 . (13 + 5 – 2) 2 . 16 32
Exercise 8. 7 + (12 – 3 2 ) Answer: 7 + (12 – 9) 7 + 3 10
Exercise 9. 7 + (12 – 3) 2 Answer: 7 + 9 2 7 + 81 88
Eureka Math Grade 6 Module 4 Lesson 6 Problem Set Answer Key
Evaluate each expression.
Question 1. 3 × 5 + 2 × 8 + 2 Answer: 15 + 16 + 2 33
Question 2. ($1.75 + 2 × $0.25 + 5 × $0.05) × 24 Answer: ($1.75 + $0.50 + $0.25) × 24 $2.50 × 24 $60.00
Question 3. (2 × 6) + (8 × 4) + 1 Answer: 12 + 32 + 1 45
Question 4. ((8 × 1.95) + (3 × 2.95) + 10.95) × 1.06 Answer: (15.6 + 8.85 + 10.99) × 1.06 35.4 × 1.06 37.54
Question 5. ((12 ÷ 3) 2 – (18 ÷ 3 2 )) × (4 ÷ 2) Answer: (4 2 − (18 ÷ 9)) × (4 ÷ 2) (16 – 2) × 2 14 × 2 28
Eureka Math Grade 6 Module 4 Lesson 6 Exit Ticket Answer Key
Question 1. Evaluate this expression: 39 ÷ (2 + 1) – 2 × (4 + 1). Answer: 39 ÷ 3 − 2 × 5 13 − 10 3
Question 2. Evaluate this expression: 12 × (3 + 2 2 ÷ 2 − 10 Answer: 12 × (3 + 4) ÷2 − 10 12 × 7 ÷ 2 − 10 84 ÷ 2 − 10 42 − 10 32
Question 3. Evaluate this expression: 12 × (3 + 2) 2 ÷ 2 – 10. Answer: 12 × 5 2 ÷ 2 – 10 12 × 25 ÷ 2 − 10 300 ÷ 2 − 10 150 − 10 140
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14. (-9x + 2) + (-8x - 2) 17. GEOMETRY A rectangle has side lengths of (3x + 6) inches and (2x - 4) inches. Write an expression to represent the perimeter of the rectangle. Then find the value of x if the perimeter is 94 inches. 18. CRUISE SHIPS The table shows the number of cruise ships in a harbor on various days.
Lesson 6 Problem-Solving Practice Add Linear Expressions 1. SWIMMING The table gives the number of laps Pragitha swam each week. Write an expression for the total number of laps she swam all four weeks. Week 1234 Laps x + 2 3x 2x + 14 x - 6 2. GEOMETRY Write an expression for the perimeter of this pentagon. If the perimeter is 157 units, find x ...
Course 2 • Chapter 5 Expressions NAME _____ DATE _____ PERIOD _____ Lesson 6 Extra Practice . Add Linear Expressions
Find step-by-step solutions and answers to Glencoe Math Course 2, Volume 2 - 9780076619030, as well as thousands of textbooks so you can move forward with confidence. ... Section 5-6: Add Linear Expressions. ... Section 5-8: Factor Linear Expressions. Page 425: Vocabulary Check. Page 426: Key Concept Check. Page 427: Problem Solving. Page 428 ...
Lesson 6 Homework Practice Add Linear Expressions Add. Use models if needed. 1. (9x + 7) + (x + 3) 2. (-4x + 6) + (x - 5) 3. (-3x + 15) + (-3x + 2) 4. ... expression to represent the perimeter of the rectangle. Then find the value of x if the perimeter is 94 inches. 18.
Lesson 6 - Add Linear Expressions You can use models to add linear expressions. Example 1 Add (3x + 5) + (2x + 3). Step 1 Model each expression. 3x + 52 x + 3 x x x x x 1 1 1 1 1 1 1 1 Step 2 Combine like tiles and write an expression for the combined tiles. 3x 2x x x x x x 1 1 1 1 1 1 1 1 ++ +53 So, (3x + 5) + (2x + 3) = 5x + 8. Example 2 Add ...
Add Linear Expressions. Add. Use models if needed. Find the sum of (10x + 3) and (- 4x - 2). Find the sum of ( x + 3) and (- x - 4). 19. GEOMETRY Write and simplify an expression to represent the perimeter of the triangle shown. Then find the value of x if the perimeter is 45 feet.
Email your homework to your parent or tutor for free; ... Chapter 5: Expressions; Lesson 6: Add Linear Expressions. Please share this page with your friends on FaceBook. Independent Practice. Add. Use models if needed. Question 1 (request help) \((4x + 8) + (7x + 3) =\) Type below: ...
Email your homework to your parent or tutor for free; ... Answer Keys . Chapter 5: Expressions; Lesson 6: Add Linear Expressions. Please share this page with your friends on FaceBook. Question 25 (request help) Which expression represents the perimeter of the triangle? 5x + 6 ; 3x + 7 ...
The answer key serves as a valuable tool for self-assessment, allowing students to check their solutions and identify any areas where they might need additional practice or review. Lesson 6 Homework Practice: Add Linear Expressions - Answer Key. Below is the answer key for the lesson 6 homework practice on adding linear expressions.
Add Linear Expressions. You can add linear expressions using the properties of operations. In this seventh-grade algebra worksheet, students will review the steps for adding linear expressions and review an example problem. Then learners will have a chance to practice adding linear expressions on their own, including those that contain integer ...
Lesson 6 Homework Practice Write Linear Equations ... x — 6 = 5x — 36 passes through (—5, 9) and (1, 3) passes through (—3, —5), slope = 2 Write the point-slope form of an equation for each line graphed. 1234 x Temperature 9. TEMPERATURE The table shows the temperature at certain hours. Assuming the temperature change is linear, write ...
We develop general methods for solving linear equations using properties of equality and inverse operations. Thorough review is given to review of equation solving from Common Core 8th Grade Math. Solutions to equations and inequalities are defined in terms of making statements true. This theme is emphasized throughout the unit.
After a couple of examples, I will do one additional example by lining up the expressions vertically. For some students, this is an easier way to organize the like terms, as adding and subtracting vertically is a natural flow from how they were originally taught to add and subtract. Table Practice: With their tables, students are going to work ...
6. To perform car maintenance, a mechanic charges for parts and $45 an hour for labor. The total cost that Terri spent for 2 hour of car maintenance is $125. Assume the relationship is linear. Find and interpret the rate of change and the initial value. Lesson 6 Skills Practice Construct Functions The rate of change is 3. The initial value is 8 ...
CORE MATHEMATICS CURRICULUM Lesson 6 8•4 Lesson 6: Solutions of a Linear Equation Date: 12/9/15 64 ... This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License. Lesson 6: Solutions of a Linear Equation ... about the linear expressions being exactly the same, ...
create. Glencoe Math Course 2 grade 7 workbook & answers help online. Grade: 7, Title: Glencoe Math Course 2, Publisher: Glencoe/McGraw-Hill, ISBN:
2.1 Use a General Strategy to Solve Linear Equations; 2.2 Use a Problem Solving Strategy; 2.3 Solve a Formula for a Specific Variable; 2.4 Solve Mixture and Uniform Motion Applications; 2.5 Solve Linear Inequalities; 2.6 Solve Compound Inequalities; 2.7 Solve Absolute Value Inequalities
What operation is evaluated first? Answer: Exponents (9 2 = 9 × 9 = 81) What operations are evaluated next? Answer: Multiplication and division, from left to right (81 ÷ 3 = 27; 27 × 2 = 54) What operations are always evaluated last? Answer: Addition and subtraction, from left to right (4 + 54 = 58; 58 - 2 = 56)
Add-on U06.AO.02 - Practice with Modeling with Two-Step Equations RESOURCE. ANSWER KEY. ... (Answer Keys, editable lesson files, pdfs, etc.) but is not meant to be shared. Please do not copy or share the Answer Keys or other membership content. ... please credit us as follows on all assignment and answer key pages: "This assignment is a ...
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