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?

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

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.

11. Which statement best explains if the number 5.32147 is a rational or irrational number?

B. It is a rational number. The number can be converted into a fraction.

A. It is a rational number. The number is not within a square root symbol.

C. It is an irrational number. The number cannot be converted into a fraction.

D. It is an irrational number. The decimal portion does not repeat or end.

14. 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?

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

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.

22. The length of a turtle’s shell, "s," in millimeters, is related to the turtle’s age in years, "a," as described by the equation below. Which statements about the turtle are true? Select ALL that apply.

B. The turtle’s shell grows at rate of 55 mm per year.

C. When the turtle is hatched, its shell is 37 millimeters in length.

F. When the turtle is 1 year old, its shell is 92 millimeters in length.

A. The turtle’s shell grows at rate of 37 mm per year.

D. When the turtle is hatched, its shell is 55 millimeters in length.

26. The relationship between age and salary is modeled using the equation, y = 5,500 + 850x, where y is salary and x is age. Which statement is the correct interpretation of the slope?

B. For every additional year of age, the salary is expected to increase by $850.

A. For every additional year of age, the salary is expected to increase by $5,500.

C. Age increases by 850 as the salary increases by $1.

D. Age increases by 5,500 as the salary increases by $1.

34. The graph represents Juan’s distance from his house as a function of time. What could the graph represent?

A. Juan runs away from his house, then walks back.

B. Juan walks away from his house, then runs back.

C. Juan runs away from his house, then walks further from his house.

D. Juan walks away from his house, then runs further from his house.

36. Which figure has a smaller volume than a sphere with a diameter of 1 centimeter?

B. a cone with a diameter of 1 cm and a height of 1 cm

A. a cone with a radius of 1 cm and a height of 1 cm

C. a cylinder with a radius of 1 cm and a height of 1 cm

D. a cylinder with a diameter of 1 cm and a height of 1 cm

38. A study collects data on dog food. The price of dog food and its percentage of crude protein are recorded. Which statements are true about the plot? Select ALL that apply.

A. As the price increases, the percentage of crude protein increases.

B. The data points suggest a line of best fit between the price and percentage of crude protein.

E. In general, more expensive foods have a higher percentage of crude protein.

C. All dog foods that cost over $3.00 have at least 30% crude protein.

D. Expensive dog foods have a lower percentage of crude protein.

40. The scatter plot shows the prices of some used cars. Which statement best describes the relationship between the age and the price of the cars?

D. negative, nonlinear association

A. positive, linear association

B. positive, nonlinear association

C. negative, linear association

45. Which sets of ordered pairs represent a function? Select ALL that apply.

B. (1, 1), (2, 2), (3, 3), (4, 4)

C. (1, 1), (2, 1), (3, 1), (4, 1)

E. (1, 4), (2, 2), (3, 1), (4, 3)

A. (1, 1), (1, 2), (1, 3), (1, 4)

D. (1, 4), (2, 4), (1, 3), (2, 3)

8th Grade Math TNReady Practice Test

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OPEN ENDED QUESTION

30 sec • Ungraded

First and Last Name

Evaluate responses using AI:

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1. Which number is irrational?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE SELECT QUESTION

30 sec • 1 pt

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.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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.

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8th Grade Math TNReady Practice Test

First and Last Name

1. Which number is irrational?

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

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.

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?

5. Which equation has infinitely many solutions?

7. Which expression is equivalent to

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?

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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