Review Logarithms 4/27

log₅25 = ?

• 2
• 5
• 125

Write in exponential form.
log₂(¹/₈) = -3

• 2^-3 = ¹/₈
• 2^1/8 = -3
• -3² = ¹/₈
• -3^1/8 = 2

Rewrite 3⁴ = 81 in logarithmic form.

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

Write as a single log: log 12 + 2 log x

• log (12 + 2x)
• log (14x)
• log (12 * 2x)
• log (12x²)

• True

• False

Solve for x.
3^x = 27

• 2
• 4
• 3
• 5

Evaluate the following logarithm:

log₅5

• 1

• 0

• -1

• ¹/₂

What does the b in log_bA=x represent?

• Argument
• Base
• Exponent
• Bottom

Rewrite the exponential equation into its logarithmic equation; x⁶=64

• log₆x=64
• log6=64
• log₆64=x
• log_x64=6

Evaluate log₄1

• 1
• 0
• 4
• undefined