Algebraic Expressions (7th)

2d + 9 when d = 1

• 11

• 5

• 10

• 6

2x + 5y - 3 when x = 3 and y = 4

• 23

• 25

• 33

• 40

Michael uses the following expression to help figure out how much money he makes:

8w + t

The variable w represents the amount of weeks he works and t represents the number of tips he makes. If he works for 6 weeks and makes $20 in tips, how much money did he make?

• $26

• $68

• $106

• $34

Kenneth has g gumballs. Maggie has 29 fewer gumballs than Kenneth. Choose the expression that shows how many gumballs Maggie has.

• g+29

• g-29

• 29g

• g ÷ 29

What is the coefficient?
-9 + -5x

• -9
• -5
• x

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

• five
• eight
• six
• nine

Evaluate when a = 15:
2(a - 5) + 2

• 22
• 27
• 14
• 7

An algebraic expression consists of... (Select all that apply)

• numbers

• variables

• equals sign

• operations

A variable represents...

• an unknown amount that can be anything

• a letter

• a math term

• an operation

7x + 2y + 5

What are the variables in this algebraic expression?

• x

• y

• 5

• 7x

• +