Logarithms Review

Solve

• 8

• -8

• 1/8

• -1/8

Solve

• 1/3

• -1/3

• -3

• 3

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

log₈(4x+4)=2

• 15

• 12

• 10

• 3

Solve for x:

log₄(3x-1)=log₄(2x+3)

• 4

• 3

• 1

• 8

Write as one logarithm. Simplify, if possible.

log₃9 + log₃27

• log₃3

• log₃243

• log₃1/3

• not possible

Change to Exponential Form:
log₆36 = 2

• 2⁶=36
• 6²=36
• 36²=6
• 36⁶=2

• u=4

• u=6

• u=2

• u=1

log(2x) - log(5) = log(30)

• 6/5
• 45/2
• 75
• -3/8

• x=1/2

• x=2

• x=16

• x=8