Mastery View Predictive Assessments Grade 8 Math

What is the approximate volume of a sphere with a diameter of 2 inches? (Use 3.14 as an approximation of pi.)

• 4.2 cubic inches

• 12.6 cubic inches

• 25.1 cubic inches

• 33.5 cubic inches

A community leader records the total number of pickleball players in the community each year for 10 years, starting in 2010. Which scatter plot has the best linear model to represent the community leader’s data?

Consider the three relations. Which statement is true?

• Relation 1 and Relation 2 are not functions.

• Relation 1 and Relation 3 are not functions.

• Relation 1, Relation 2, and Relation 3 are all functions.

• Relation 2 and Relation 3 are the only functions.

• point Q

• point R

• point S

• point T

For which list of ordered pairs is y a function of x?

• (5, 2), (6, 3), (7, 2), (5, 1)

• (3, 2), (3, 4), (5, 4), (6, 5)

• (1, 2), (3, 4), (5, 6), (7, 8)

• (1, 1), (2, 3), (1, 4), (4, 5)

In 2022, the population of New York City was approximately 8.622 × 10^6 people, and the population of Los Angeles was approximately 4.085 × 10^6 people. What is the difference between the two populations?

• B. 1.26 × 10^13 people

• D. 4.537 × 10^12 people

Which fraction is equivalent to 0.45?

• 4/9

• 5/11

• 5/9

• 6/11

There are approximately 50,000,000 students enrolled in kindergarten through grade 12 in the United States. What is this amount written in scientific notation?

Consider the two lines graphed on the coordinate plane, where each line represents an equation. Which ordered pair represents the solution to the system of equations?

• (−3, 4)

• (0, 2)

• (0, 5)

• (4, −3)

Consider the linear function represented by the table. Based on the table, what is the rate of change of the linear function?

• −2

• 4