Expressions and Equations Review

Which of the following can always be used to check your solution to your equation?

• distributive property

• difference

• substitution

• mean

• w = 2

• w = 4

• w = 6

• w = 8

Solve for s.

9 = 2s + 1

• 4

• -4

• 3.5

• 5

• x = 16

• x = 0

• x = 4

• x = 1

• x = 8

What is the equation for the table above?

• y = 8x+3

• y = 9x

• y = 7x+2

• y = 8x

Solve for p. 
p + 22 = 66

• 40

• 44

• 22

• 42

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Select all the equations where x = 3 is a solution.

• x − 3 = 0

• 1 + x = 2

• 6 = 2x

• 9 − x = 3

• x² = 9

Which expression represents this phrase?

five times the sum of nineteen and a number k

• 5(19k)

• 5(19) + k

• 5 + 19k

• 5(19 + k)

How many terms are in the expression?

6(4x) + 3y - 12x + 5(3x)

• 2

• 3

• 4

• 6