Expressions Review

Name the property that is show by the equation  $7pq\cdot1=7pq$  .

• Commutative Property of Multiplication

• Associative Property of Addition

• Distributive Property

• Multiplicative Identity

Use the Distributive Property to write  $-7\left(w+11\right)$  as an equivalent expression.

•  $-7w+11$  

•  $-7w-77$  

•  $-84w$   

•  $-7w+77$  

name the property that is shown by the equation  $7+\left(w+14\right)=\left(w+14\right)+7$  .

• Commutative Property of Addition

• Associative Property of Addition

• Distributive Property

• Additive Identity

Simplify the expression  $8\left(3x-2\right)-4\left(2x+5\right)$  .

•  $-20x$  

•  $9x$  

•  $16x-36$  

•  $4x-28$  

Identify the next three terms in the arithmetic sequence 8, 14, 20, 26, ...

• 32, 38, 44

• 20, 14, 8

• 36, 46, 56

• 30, 36, 40

Find the GCF of $18rt$   and  $9rst$  .

•  $2$  

•  $9rt$  

•  $18s$  

•  $9rst$  

Add $\left(-12x+6\right)+\left(4x-12\right)$ 

•  $-14x$  

•  $16x+18$  

•  $8x+6$  

•  $-8x-6$  

Subtract $\left(7x-10\right)-\left(-6x-8\right)$  

•  $13x-2$  

•  $11x$  

•  $x+2$  

•  $-x-2$  

Mireya bought each of her three friends a book for the book club they're starting. Find the total cost of the books if each book is $11.25.

• $33.75

• $14.25

• $30.50

• $8.25

Write the expression $6a-2\left(a-1\right)$  in simplest form. 

•  $4a-1$  

•  $3a$  

•  $4a+2$  

•  $4a+1$