8th Grade Math: Week 1 FSA Countdown Day 5

The average distance from Jupiter to the Sun is about

4 x 10⁸ miles. The average distance from Venus to the Sun is about 8 x 10⁷ miles. The average distance from Jupiter to the Sun is about how many times as great as the average distance from Venus to the Sun?

• 5

• .5

• 50

• 10

Tags

CCSS.8.EE.A.4

At a given time, Saturn was 9.1 × 10⁸ miles from the Sun and Earth was 9.3 × 10⁷ miles from the Sun. By what distance is one planet closer to the Sun than the other planet?

• 2 × 10¹

• 2 × 10⁵

• 8.17 × 10⁷

• 8.17 × 10⁸

Tags

CCSS.8.EE.A.4

Bamboo is one of the fastest-growing plants. A typical growth rate for bamboo in temperate climates is 3-10 centimeters per day during the growth season. Which of the following equations, where t represents time in days, and L represents length in centimeters, could be descriptions of the growth of a bamboo plant? Select all that apply.

• L = 10.4t

• L = 2.5t

• L = 3.6t

• L = 7.1t

• L = 9.3t

In the coordinate plan below, ∆ABC is similar to ∆AEF. What is the value of x?

• 5

• 4

• 9

• 8

Tags

CCSS.HSG.SRT.A.2

Lines l and m are parallel to one another and cut by transversals s and t.

What is the value of x?

• 40 degrees

• 80 degrees

• 120 degrees

• 140 degrees

Tags

CCSS.8.G.A.5