Common Assessment

Solve the system of equations:

3x - 2y = 6

x + y = -8

• A. (2, -6)

• B. (5, 3)

• C. (-2, -6)

• D. (2, 6)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

Select all equations that have infinite solutions.

• -2(x - 2) + 3x = x - 4

• 2x + 4(x - 1) = 6x - 3 - 2(x - 1)

• 3x + 2(x - 2) = 6 + 4x + 6x - 4

• 4(x + 2) + x + 1 = 2x - 3 + 3(x + 4)

Tags

CCSS.8.EE.C.7A

Enter the value of x that makes the following equation true:

-6x - 3(2x + 1) = 6

• x = -3/4

• x = 0

• x = 1

• x = 2

Tags

CCSS.8.EE.C.7B

Write an equation in slope-intercept form to represent the relationship shown in the table:

• y = -4x - 7

• y = -4x - 3

• y = 4x - 3

• y = 4x + 7

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Select an equation that represents the graph below.

• A. y = 3x - 12

• B. y = 3/2x + 12

• C. y = 3x + 12

• D. y = 1/2x + 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

A giraffe at the zoo is 8 feet tall and is growing at a rate of 1 foot per year. Another giraffe at the same zoo is 10 feet tall and is growing at a rate of 1/2 foot each year. How many years will it take for the two giraffes to be the same height?

• 2 years

• 4 years

• 6 years

• 8 years

Tags

CCSS.8.EE.C.7B

Tags

CCSS.8.EE.C.8B

When solving an equation, Andrew gets to the last line of his work and is left with '5=7'. What does this mean?

• A. The solution is 5

• B. There is one solution

• C. There is no solution

• D. There are infinitely many solutions.

Tags

CCSS.8.EE.C.7A

• x = 5

• x = 4

• x = 7

• x = 9

Tags

CCSS.8.EE.C.7B

Taylor has a VIP membership to a movie theater which costs $27 plus 6 per movie she sees. Claire doesn’t have a membership, so she pays $8.25 for each movie she sees. How many movies would the two girls have to see in a year in order to pay the same amount?

• 4 movies

• 9 movies

• 12 movies

• 15 movies

Tags

CCSS.8.EE.C.8C