Solve Exponents by Changing Base

Use the change of base formula to evaluate. Round to 3 decimal places.

log₇8=

log x = -4

• x = .0001

• x = .001

• x = 10

• x = .01

• x = -1/4

Tags

CCSS.HSF.BF.B.5

Using the change of base rule, what is this logarithm equivalent to?

• A

• B

• C

• D

Solve: 2^x = 4^x+1

• x = -2

• x = 2

• x = -3

• x = 3

Solve the exponential equation:

• -11/4

• 6

• 9/4

• 8

Using the change of base rule, what is this logarithm equivalent to?

• A

• B

• C

• D

Which number is the base?

• 4

• 2

Tags

CCSS.6.EE.A.1

Which number is the base?

• 12

• 4

Tags

CCSS.6.EE.A.1

Which number is the base?

• 24

• 8

Tags

CCSS.6.EE.A.1

Which number shows

four to the ninth power?

• 4⁹

• 9⁴

Tags

CCSS.6.EE.A.1