Expressions and Equations

Use the distributive property to simplify 2(x + 4)

• 2x + 4

• 2x + 8

• 10x

• x² + 8

What is the solution of 7x= 42

• 294

• 49

• 35

• 6

Evaluate the expression when a = 4

9a

• 27

• 45

• 36

• 40

Write the phrase as an expression

the quotient of 3 and a number y

The equation for the table below is y=2x+5, fill in the missing values.

c

d

e

f

-1

9

4

3

0

7

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

​ (a)  

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

The table shows Sandra's weekly earnings, y , based on the number of hours she works. Which equation can Sandra use to calculate her weekly earnings when she works x hours?

• y = 8x

• y = 5x + 40

• y = 10x

• y = 10x + 80

Choose the algebraic expression that matches the verbal phrase.

• A) x + y

• B) x - y

• C) x * y

• D) x / y

Simplify the expression using the distributive property.

8(3-8y)

• 24 - 8y

• 64 - 24y

• 24 - 64y

• 5 - y

• 10

• 8

• 9

• 2