8th grade TNready checkpoint 23/24

Which equation has infinitely many solutions?

• 3x - 2 = 2 - 3x

• x + 3x + 6 = 6 + 4x

• 2x + 7x - 5 = -9x + 5

• 4x - 5x + 3 = -5x + 4x - 3

Tags

CCSS.8.EE.C.7A

Which statement describes a function that is not linear?

• For each input value, the output value is 3 times larger.

• The output value is found by multiplying the input value by itself.

• The output value is twice the input value, plus 4.

• As the input value increases by 1, the output value decreases by 5.

Tags

CCSS.8.F.A.3

Consider the system of equations. What is the solution to the system?

• (0, 0)

• (0, 1)

• (1, 1)

• (3, 3)

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the meaning of the point (0.5, 0) on the graph?

• The tree grew at a rate of 0.5 foot per year.

• The tree was 0.5 foot tall when it was planted.

• Jacob planted the seed 0.5 foot below the ground.

• The tree started growing above ground 0.5 year after Jacob planted the seed.

Tags

CCSS.HSF.LE.B.5

For which graph would a straight line be most appropriately used to model the relationship between two variables?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.F.A.3

Which statement best explains segment C of Ella’s trip?

• Ella stops and waits for the bus.

• Ella walks to the bus stop at a slow, constant speed.

• Ella rides the bus to the library, moving at a faster, constant speed.

• Ella quickly walks to the library at a constant speed after getting off the bus.

Tags

CCSS.HSF.IF.B.4

Sam and Ryan are hiking different trails on a mountain. Sam’s altitude during his hike can be represented by the expression 10h + 30, where "h" is the number of hours he hikes. Ryan’s altitude during his hike can be represented by the table below. Which statement is true?

• A. Ryan starts at an altitude that is 10 feet higher than Sam’s starting altitude.

• B. Sam starts at an altitude that is 20 feet higher than Ryan’s starting altitude.

• C. After 4 hours, Sam will be at an altitude 60 feet above Ryan’s location.

• D. After 4 hours, Ryan will be at an altitude 60 feet above Sam’s location.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

Liz launches a toy rocket. The height of the rocket as a function of time is represented in the graph. At what approximate time does the height of the rocket begin to decrease?

• 0 seconds

• 2.5 seconds

• 5 seconds

• 60 seconds

A table of values is shown. What missing x-value would cause this relationship to not be a function?

• 4

• 2

• 6

• -5

Tags

CCSS.8.F.A.1

Jack and Jill went to the store. Jack bought 3 candy bars and 2 bags of candy for $5.25. Jill bought 2 candy bars and 5 bags of candy for $9.00. How much does each candy bar, "x," cost and each bag of candy, "y," cost?

• x = $0.75, y = $1.50

• x = $1.50, y = $0.75

• x = $0.50, y = $1.00

• x = $1.05, y = $0.50

Tags

CCSS.8.EE.C.8C