8th Grade Unit 5 Review

A cylinder has volume 78㎤. What is the volume of a cone with the same radius and height?

A sphere has a radius of 2.7 centimeters. What is its volume, to the nearest cubic centimeter?

• 23

• 26

• 62

• 82

A cylinder has a radius 1.6 meters. Its volume is 95 cubic meters. Find its height to the nearest tenth of a meter.

• 10 meters

• 11.8 meters

• 16 meters

• 12.7 meters

Find the output, k, when the input, t, is 33

k=13t−2

• k = 325

• k = 510

• k = 427

• k = 326

Find the output, k, when the input, x, is -5

k = 6x +100

• 70

• 25

• 67

• 83

Write the input-output diagram for the following example. A person is 5.5 feet tall. Do you know their height in inches?

• 5.5 -> x ⋅12 -> 66

• 5.5 -> $x^2$ -> 66

• 5.5 -> xy -> 66

A number is 5. Do you know it's square?

• Yes

• No