Chapter 4 Expressions

• 2

• 9x-8

• x

• distributive property

What is coefficient in the expression below?

• m

• 16

• 7

• commutative property

What is the constant in the expression below?

9h -24

• 9

• h

• 24

• associative property

What property is shown in the example below?

(6 + 7) + 8 = 6 + (7 + 8)

• constant property

• associative property

• commutative property

• distributive property

Simplify:

• -4x - 3

• x² - 3

• -4x² - 6x

• -4x - 6

Choose the algebraic expression that matches the verbal phrase.

• A) x + y

• B) x - y

• C) x * y

• D) x / y

For a monthly family cookout, David buys 3 packages of hot dogs and 4 packages of hamburger patties. Hot dog packages each contain x hot dogs. Hamburger packages each contain y hamburger patties. Complete the expressions for the total number of hot dogs and hamburger patties David buys for 6 cookouts. 6( ​ (a)   x + ​ (b)   y)

​ (c)   x + ​ (d)   y

• 3

• 4

• 18

• 24

• 7

Match the following

• 7 times x

• Seven less than x

• seven divided by x

• Seven more than x

What property is shown in the example below.

7(5x + 9 - 4n) = 35x + 63 -28n

• multiplication spread out

• additive identity

• distributive property

• commutative property

What expression below matches this statement. Carl has 19 fewer reindeer than 8 times his sister

• 19 - 8s

• 8s - 19

• 19 + 8

• 8s -19r