Test - Exponential and Logs

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

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

Tags

CCSS.HSF.BF.B.5

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

Tags

CCSS.HSF.BF.B.5

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

• True, and it's 2

• False

Tags

CCSS.HSF.BF.B.5

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

log₃(1/9) =

• 1/2

• 2

• -2

• 3

True or False: log₈64=2

• True
• False

Tags

CCSS.HSF.BF.B.5

Evaluate log₈ 8 by thinking 8 to what power is 8, so the answer is

• 8

• -1

• 0

• 1

Rewrite log_pt = m in exponential form.

• p^t = m
• t^m = p
• m^t = p
• p^m = t

Tags

CCSS.HSF.BF.B.5

The base of common log is 10. So log 100 = ?

• 1

• 2

• 10

• 50

Solve for x

• x = 8

• x = 4

• x = 256

• x = 32

Tags

CCSS.HSF.BF.B.5

Solve the logarithm. If necessary, round to two decimal places.

• 2.58

• 4

• 3

• 0.39