8th Grade Math TNReady Practice Test

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1. Which number is irrational?

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

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3. Triangle ABC is reflected over the x-axis to create triangle DEF. Which statements about triangles ABC and DEF are true? Select ALL that apply.

• A. The length of line AB is equal to the length of line DE.
• B. The length of line BC is equal to the length of line EF.
• C. The length of line AC is equal to the length of line ED.
• D. The length of line AB is equal to the length of line DF.
• E. The perimeter of triangle ABC is equal to the perimeter of triangle DEF.

4. 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?

• A. 0 seconds
• B. 2.5 seconds
• C. 5 seconds
• D. 60 seconds

5. Which equation has infinitely many solutions?

• A. 3x - 2 = 2 - 3x
• B. x + 3x + 6 = 6 + 4x
• C. 2x + 7x - 5 = -9x + 5
• D. 4x - 5x + 3 = -5x + 4x - 3

6. The graph shows the distance Ella travels from her house to the library. On her trip, Ella walks from her house to the bus stop, where she waits to get on the bus and rides to the library. Then, Ella walks to the library after getting off the bus. Which statement best explains segment C of Ella’s trip?

• A. Ella stops and waits for the bus.
• B. Ella walks to the bus stop at a slow, constant speed.
• C. Ella rides the bus to the library, moving at a faster, constant speed.
• D. Ella quickly walks to the library at a constant speed after getting off the bus.

7. Which expression is equivalent to

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8. Jacob planted a seed that grew into a tree. The height of the tree, as a function of years since Jacob planted the seed, is shown in the graph below. What is the meaning of the point (0.5, 0) on the graph?

• A. The tree grew at a rate of 0.5 foot per year.
• B. The tree was 0.5 foot tall when it was planted.
• C. Jacob planted the seed 0.5 foot below the ground.
• D. The tree started growing above ground 0.5 year after Jacob planted the seed.

9. A container of soup in the shape of a cylinder has a radius of 1.5 inches and a height of 4 inches. Which expression represents the maximum cubic inches of soup the container can hold?

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