Chapter 6 - Expressions

Identify the property shown.

• Commutative

• Associative

• Distributive

• None

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

• five

• eight

• six

• nine

Simplify the expression: 2x + 1 + 7x 

• 10x

• 10

• 9x + 1

• 9 + 1x

2 times the sum of y and 5 

• 2 + y + 5

• 2y + 5 

• 2(y + 5)

• 2 - y + 5

Match the following

• Seven less than x

• seven divided by x

• Seven more than x

• 7 times x

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.

• 3

• 4

• 18

• 24

• 7

Simplify:

• -4x - 3

• x² - 3

• -4x² - 6x

• -4x - 6

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

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

Choose the algebraic expression that matches the verbal phrase.

• A) 2x + 3

• B) x^2 - 4

• C) 5 - x

• D) 3x + 7