Solving Log Equations by Changing Base

log₉(10)-log₉(x-3) =log₉(72)

• 81/16

• 113/36

• No Solution

• 92/15

log₉(x)+log₉(x+2)=log₉(35)

• 5

• -7

• 5, -7

• -7, -13

Solve log₉ (x - 4) + log₉ (x + 1) = log₉ (x + 5) + log₉ (x - 6)

• 17/2

• -9/16

• 13

• -8

Write log_b(x/y) as two logs

• log_bx-log_by

• log_bx+log_by

• log_bx*log_by

• log_bx/log_by

Solve

• A

• B

• C

• D

Tags

CCSS.HSF.BF.B.5

Solve

• A

• B

• C

• D

Use "Change-of-Base" Formula

• 3.544

• 2.633

• 0.282

• 1.778

Solve

• A

• B

• C

• D

Tags

CCSS.HSF.BF.B.5

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

• A

• B

• C

• D

• x is undefined

• x = 2

• x= 0.4

• x = 33