Algebra 1 Unit 1 Test Review

Translate: Twice the difference of 9 and a number

• 2(9)-n

• 2n-9

• 2(n-9)

• 2(9-n)

Write a simplified expression for the area of the given rectangle.

• 8x + 12

• 4x + 6

• 20x + 5

• 20x + 1

If Demetri is three times as old as his sister Julia, which of the following expressions represents Demetri's age if Julia is j years old?

Mary's hourly rate at McDance is 4 more dollars than twice John's hourly rate. If j represents John's hourly rate, which expression describes Mary's hourly rate?

Alison has $4 less than twice the amount Ben has. Which expression represents Alison's amount if Ben has m dollars?

• $10.50

• $9.50

• $7.50

• $4.50

• 14

• -6

• 32

• 12