Worksheet 20: Honors 8th grade spiral review

Write the cube root of 54 using radical notation and simplify as much as possible.

• 3∛2

• ∛27

• 2∛3

• ∛18

A car starts at 60 miles per hour and decreases its speed by 3 miles per hour every minute. Describe qualitatively how the speed changes over time.

Triangle ABC is reflected over the y-axis. If vertex A is at (3,4), what are the coordinates of its image?

• The coordinates of the image are (-3, 4).

• The coordinates of the image are (3, -4).

• The coordinates of the image are (-3, -4).

• The coordinates of the image are (4, 3).

A scatter plot shows a strong positive association between hours practiced and skill level. This means:

• As hours practiced increase, skill level increases.

• As hours practiced increase, skill level decreases.

• There is no relationship between hours practiced and skill level.

• Skill level decreases regardless of hours practiced.

Approximate √10 to two decimal places.

• √10 ≈ 3.16

• √10 ≈ 3.10

• √10 ≈ 3.01

• √10 ≈ 3.25

Two similar triangles have legs 6 cm and 8 cm in the smaller triangle, and corresponding leg 9 cm in the larger triangle. Find the length of the other leg in the larger triangle.

• The length of the other leg in the larger triangle is 12 cm.

• The length of the other leg in the larger triangle is 10 cm.

• The length of the other leg in the larger triangle is 15 cm.

• The length of the other leg in the larger triangle is 18 cm.

A ladder leans against a wall 9 feet from the base. The ladder length is 15 feet. How high does the ladder reach on the wall?

• The ladder reaches 12 feet high on the wall.

• The ladder reaches 10 feet high on the wall.

• The ladder reaches 8 feet high on the wall.

• The ladder reaches 6 feet high on the wall.

Write a function rule for the relationship where y is 3 more than twice x.

• y = 2x + 3

• y = 3x + 2

• y = 2x - 3

• y = x + 3

The properties of parallel lines cut by a transversal can be used to find unknown angle measures by using which of the following relationships?

• Corresponding, alternate interior, and alternate exterior angles are congruent

• Vertical angles are always supplementary

• Adjacent angles are always equal

• All angles formed are right angles

• 3 * 10^4 or 30000.