Equivalent Expressions Review

Which property justifies that 7(2x + 3) is equivalent to 14x + 21?

• Commutative

• Associative

• Distributive

• Identity

Which of the following is equivalent to the expression below?

5x + 2(3x - 1) - 5x

• 6x - 2

• 6x + 2

• 16x - 2

• 16x + 2

What are the like terms in the expression below?

9x + 4 - 9y + 4x

• 9x, -9y, and 4x

• 4 and 4x

• 9x and -9y

• 9x and 4x

Which of the following is equivalent to the expression below?

8r - 1

• r - 8

• 8(r - 1)

• (5r + 3) - 1

• (5+3)r -1

Which expression is equivalent to 7(3a + 4b)?

• 21a + 28b
• 10a + 11b
• 21a + 4b
• 10a + 28b

Tags

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Which expression is equivalent to 15x + 10 - 6x - 1?

• 9x + 9
• 18x
• 15x - 3
• 9x + 11

Tags

CCSS.6.EE.A.2

CCSS.6.EE.A.3

CCSS.6.EE.A.4

Name the coefficients.
 $4y\ +7x$  

•  $4y\ \ \ and\ \ \ \ 7x$  

•  $4\ \ \ \ and\ \ \ \ 7$  

•  $y\ \ \ \ \ and\ \ \ \ x$  

•  $4y$  

Which pair of expressions is equivalent for any variable value greater than 0?

• 2(x + 8) and 2x + 8

• n + n + 7m and 2n + 7m

• 4d + 2e and 8d + e

• x + x + x + x + y and 4xy

Write an equivalent expression to the expression below that uses each variable only once.

w + 5v + w + v + v

• 9vw

• 2w + 7v

• 5v + 4w

• 2v + 7w

Are the following two expressions equivalent when x = 5?

3(x + 8) and 3x + 8

• Yes

• No