Unit 7 & 8 Test Review

x + 3 = 5. Which value of x makes the equation true?

• 15

• 2

• 5

• 8

• 210

• 280

• 200

• 17

Simplify: (4 x 3) ÷ (7 - 5)

• 1

• 2

• 3

• 6

Which of the following is an algebraic equation?

• 8 x - 3 = 6
• 4x + 4

• 3 - n

• h + 2

2x = 8. Which value of x makes the equation true?

• 16

• 2

• 4

• 8

Which of the following shows the prime factorization of 60, using exponents?

In the summer, Caden makes $5.00 per hour babysitting. Which of the following represents the algebraic expression for Caden's pay in dollars for working h hours?

• h/5

• 5/h

• 5h

• h + 5

Which equation has a solution of x = 4?

• 2x = 16

• 8x = 2

• x/2 = 2

• x + 2 = -2

Which expression is x + 4 + 2 equivalent to?

• x + 6

• 6 x

• x + 2

• x - 2

Sarah correctly wrote her grandmother's age of 72 as 2 x 2 x 2 x 3 x 3. Which of the following would express her grandmother's age in exponential form?