Logarithmic Functions

Multiple Choice

3² = 9

• log ₃ 2 = 9

• log ₉ 3 = 2

• log ₃ 9 = 2

• log ₂ 9 = 3

Multiple Choice

5³ = 125

• log ₅ 125 = 3

• log ₃ 5 = 125

• log ₁₂₅ 3 = 5

• log ₅ 3 = 125

Multiple Choice

16 = 4²

• log ₄ 2 = 16

• log ₁₆ 4 = 2

• log ₂ 16 = 4

• log ₄ 16 = 2

Multiple Choice

Write in exponential form.
log₂32 = 5

• 2^-5 = 32

• 2³² = 5

• 2⁵ = 32

• 32⁵ = 2

Multiple Choice

Write log₂ 0.25 = -2 in exponential form

• -2²  = 0.25

• -2^0.25  = 2

• 2^-2  = 0.25

• No correct answer

Multiple Choice

Change to Exponential Form:
log₆36 = 2

• 2⁶=36

• 6²=36

• 36²=6

• 36⁶=2

Multiple Choice

log₅25 = ?

• 2

• 5

• 125

• 10

Multiple Choice

Evaluate:
log₄16

• 2

• 4

• 1/2

• -2

Multiple Choice

Evaluate log₄1

• 1

• 0

• 4

• undefined

Multiple Choice

Evaluate:
log₄16

• 2

• 4

• 1/2

• -2

Multiple Choice

Solve for x:
log_x 25 = 2

• 5

• -5

• 1/5

• -1/5

Multiple Choice

• 203

• 200

• 240

• 243

Multiple Choice

Solve for x in log_x 121 = 2

• $$121$$

• $$11$$

• $$10$$

• $$9$$

Multiple Choice

Solve for x in log₇ x = 3

• $$21$$

• $$49$$

• $$343$$

• $$14$$