Ratio Proportion and Geometric Mean

• A

• B

• C

• D

• true

• false

• ^c/_d

• ^d/_c

• cd

• x²

Find the geometric mean for 6 and 8.

• 16√3

• 4√3

• 3√4

• 3√16

Find the geometric mean for 8 and 32.

• 16

• 8√2

• 2√8

• 8

Find the geometric mean for 9 and 24.

• √216

• 3√6

• 6√6

• 2√6

Find the geometric mean for 10 and 18.

• 6√5

• 5√6

• √180

• 10√18

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1

• 1/6

• 18/3

• 3/18

Write the ratio in simplest form.  Don't forget to make sure that you have the same units!
50 seconds: 2 minutes

• 50:2

• 25:1

• 50:120

• 5:12

A scale drawing of a billboard uses the scale 4 cm:9 ft. The length of the billboard in the drawing is 11 cm. How long is the actual billboard?

• 13 ft

• 20.75 ft

• 24.75 ft

• 22 ft