Algebra Pretest

The Roaming Cell Phone Company charges $15.00 per month plus $0.20 per minute of airtime usage.  If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)?

• C = 0.20x + 15

• C =15 (0.20x)

• C = 15 + x + 0.20

• C = 0.20 + 15x

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Find the slope

• -2/3

• 3/2

• -3/2

• 2/3

Tags

CCSS.8.EE.B.5

Find the slope

• 4/5

• 5/4

• -5/4

• -4/5

Tags

CCSS.8.EE.B.5

What is the simplified product?

• 48/72

• 7/17
  7/17

• 1/6

• 2/3

Tags

CCSS.5.NF.B.6

If the sum of two numbers is 20 and their difference is 4, what are the numbers?

• 8 and 12

• 10 and 10

• 11 and 9

• 12 and 8

Answer explanation

The correct numbers are 8 and 12 because when you add them, you get 20 (8 + 12 = 20) and when you subtract them, you get 4 (12 - 8 = 4).

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

If you multiply a number by 6 and then add 4, the result is 40. What is the number?

• 4

• 5

• 6

• 7

Answer explanation

To find the number, subtract 4 from 40 to get 36. Then divide 36 by 6 to get the number, which is 6. Therefore, the correct number is 6.

Tags

CCSS.7.EE.B.4A

1/4 + x = 7/8

• 1

• 6/7

• 5/8

• 2/3

Tags

CCSS.7.NS.A.1C

3c + 5 = 23

• c = 3

• c = 6

• c = 7

• c = 18

Tags

CCSS.7.EE.B.4A

12y -8 = 30.4

• y= 38.4

• y= 3.2

• y=1.8

• y=50.4

Tags

CCSS.7.EE.B.4A

Solve the proportion below

• 21

• 7

• 8

• 24

Tags

CCSS.7.RP.A.2B