Equivalent Expressions

Answer question a) When x=3 (select all that apply)

• 20

• 17

• 32

• 25

Answer question A, when x=6 (select all that apply)

• 40

• 25

• 17

• 32

Are the two expressions equivalent?

• No,

• Yes,

• the inputs give different outputs

• they are equal

The expression 11+x+3 can be rewritten as the equivalent expression x+11+3 using which of the following properties?

• the commutative property of addition

• the associative property of addition

• the distributive property

• the identity property of mulitplication

Answer (a)

 $8+x+2$  (select all that apply)

• =10x

• =x+8+2
  

• =x+10

• none of the above

Answer (b):  $14+y-6$  (select all that apply

• $=14+y+\left(-6\right)$

• $=y+14+\left(-6\right)$

• $=y+\left(14+-6\right)$

• $=y+8$

• all of the above

Answer (c):  $7-n+10$   (select all that apply)

• $7+-n+10$

• $-n+7+10$

• $-n+3$

• $-n+17$

Rewrite each expression as equivalent expression in simplest form using the associative property of multiplication. Simplify any fractional answers. $7\left(2x\right)$  (select all that apply)

• 
  

  $\left(7\times2\right)x$

• 14x

• none of the above

• 7(2x)

Rewrite each expression as equivalent expression in simplest form using the associative property of multiplication. Simplify any fractional answers.(Select all that apply)

 $-8\left(5c\right)$  

• -13c

• -3c

• -40c

•  $\left(-8x5\right)c$  

Rewrite -4(-2n) using the associative property of multiplication.