Quiz -Logarithms

Rewrite the equation in exponential form:
log₅125 = 3

• 125³ = 5

• 5¹²⁵ = 3

• 5³ = 125

• 3⁵ = 125

Rewrite the equation in exponential form:
log₄1/4 = -1

• 4^-1 = 1/4

• 4^1/4 = -1

• -1^1/4 = 4

• 1/4^-1 = 4

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81

• log₈₁3 = 4

• log₃81 = 4

• log₄81 = 3

Evaluate the log:
log₃(1/9) = 

• 1/2

• 2

• -2

• 3

Evaluate.
log₅(625)

• 4

• 2

• 3

• 10

Expand

• A

• B

• C

• D

Condense logarithm

• log₈(x⁶)/log₈(y³)

• log₈(x⁶/y³)

• log₈(x/y³)

• log₈(x⁶y³)

Expand logarithm

• 4log₄u - 16log₄v

• 4logu + 16logv

• 4logu - 4logv

• 4logu - 16logv

Condense logarithm

• 15log₈u + 3log₈v

• 15log₈u - 3log₈v

• log₈(u¹⁵/v³)

• log₈u¹⁵v³

Solve:
log₅ 7x = 2

• x = 5/7

• x = 25/7

• x = 2/7

• x = 17.5