Logarithms

Rewrite 3⁴ = 81 in logarithmic form.

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

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Rewrite in exponential form:
5=log_b32

• b⁵=32
• b³²=5
• 5^b=32
• 32^b=5

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

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

Evaluate:
log₄16

• 2
• 4
• 1/2
• -2

Tags

CCSS.HSF.BF.B.5

log₄1 = 

• 0
• 1
• 4
• DNE

Tags

CCSS.HSF.BF.B.5

Evaluate.
log₃81

• 4
• ¹/₄
• -4
• -¹/₄

Tags

CCSS.HSF.BF.B.5

Evaluate.
log₆(¹/36)

• 2
• ¹/2
• -¹/2
• -2

Tags

CCSS.HSF.BF.B.5

ln e⁵= 

• e⁵
• ln 5
• 5
• 5e

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log₃81 = 

• 2
• 3
• 4
• 5

Tags

CCSS.HSF.BF.B.5

log ₂ 16 = 4 can be written as...

• 2¹⁶=4
• 4²=16
• 4+4+4+4=16
• 2⁴=16