Logarithms

If 2-log₁₀x=3log₁₀y, express x in terms of y.

• 10y³

• 10/y³

• 100/y³

• 100y³

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• A

• B

• C

• D

Solve the equation for x.

• 32

• 25

• 1.66

• 512

Write in logarithmic form.
2^-4 = ¹/₁₆

• log₂(¹/₁₆) = -4

• log_-4(¹/₁₆) = 2

• log _-4 2 = ¹/₁₆

• log₂(-4) = ¹/₁₆

Solve for x
5^x = 17

• x = log₁₇5

• x = log 5 + log 17

• x = log₅17

• x = (log 5)/(log 17)

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• A

• B

• C

• D

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• log₈ x + log₈ y + log₈ z

• 5log₈ x + 5log₈ y + 5log₈ z

• log₈ xy + 5log₈ z

• log₈ x + log₈ y + 5log₈ z

Write as a single logarithm:

log(30)-log(6)

• -6log(30)

• log(24)

• log(-24)

• log(5)

ln(9x-2)=ln(x+14)

• x=2

• x=.156

• x=-3

• x=0

log₅125 - log₅25

• 1

• 0

• 5

• -1