Quiz -Logarithms

Rewrite the equation in exponential form:
log₅125 = 3

• 125³ = 5
• 5¹²⁵ = 3
• 5³ = 125
• 3⁵ = 125

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CCSS.HSF.BF.B.5

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

Tags

CCSS.HSF.BF.B.5

Rewrite 3⁴ = 81 in logarithmic form.

• log₃4 = 81
• log₈₁3 = 4
• log₃81 = 4
• log₄81 = 3

Tags

CCSS.HSF.BF.B.5

Evaluate the log:
log₃(1/9) = 

• 1/2
• 2
• -2
• 3

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CCSS.HSF.BF.B.5

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

Tags

CCSS.HSF.BF.B.5