5.4 Logarithmic Functions Quizizz

Rewrite log₂8 = 3 in exponential form.

• 2⁸ = 3
• 2³ = 8
• 3² = 8
• 8³ = 2

Rewrite 3⁴ = 81 in logarithmic form.

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

To evaluate a logarithm statement log₉81, you think "9 to what power is 81".

• True, and it's 2

• False

Evaluate the log by thinking " 3 to what power is 1/9" so

log₃(1/9) =

• 1/2

• 2

• -2

• 3

Evaluate the following logarithm:

log₈√8

• -¹/₂

• -1

• 1

• ¹/₂

Evaluate the following logarithm:

log₁₂1

• 1

• 0

• -1

• ¹/₂

Evaluate the following logarithm:

log₁₅1

• 1

• 0

• -1

• ¹/₂

Evaluate.
log₃81

• 4
• ¹/₄
• -4
• -¹/₄

Logarithmic functions have...

• Vertical asymptote at x=0

• Vertical asymptote at x=1

• Horizontal asymptote at y=1

• Horizontal asymptote at y=0

Exponential functions have...

• Vertical asymptote at x=0

• Vertical asymptote at x=1

• Horizontal asymptote at y=1

• Horizontal asymptote at y=0