Proportions with Algebra and the Geometric Mean

Find the geometric mean of 12 and 27

• 18

• 20

• 19.5

• 13.5

Tags

CCSS.8.EE.A.2

Solve the proportion.
(The middle C should be a B)

• 6

• 12

• 7

• 3

Tags

CCSS.HSG.SRT.B.4

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

Tags

CCSS.7.RP.A.2B

• A

• B

• C

• D

Tags

CCSS.HSA.REI.A.2

Find the geometric mean for 8 and 32.

• 16

• 8√2

• 2√8

• 8

Tags

CCSS.8.EE.A.2

Find the geometric mean for 10 and 18.

• 6√5

• 5√6

• √180

• 10√18

Tags

CCSS.8.EE.A.2

• A

• B

• C

• D

Tags

CCSS.HSA.REI.A.2

• true

• false

Tags

CCSS.1.OA.B.3

• true

• false

Tags

CCSS.7.EE.B.4A

• ^c/_d

• ^d/_c

• cd

• x²