Log Review

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

• 5

• -11

• -4

• 12

• 60

• 64

• No solution

Tags

CCSS.HSF.BF.B.5

log₁₁ b = 3

• 1331

• 16

• 1000

Tags

CCSS.HSF.BF.B.5

• 55

• 89

• 6

Rewrite in exponential form:

log₉x=2

• 9^x=2

• 2^x=9

• 2⁹=x

• 9²=x

Tags

CCSS.HSF.BF.B.5

Write 5^x =10 in log form

• x = log 5

• x = log₅10

• x = 5 log10

• x = 10 log 5

Tags

CCSS.HSF.BF.B.5

Convert 3^x = 12 to the equivalent log form.

• 3¹² = x

• log_x 3 = 12

• log₃ x = 12

• log₃ 12 = x

Tags

CCSS.HSF.BF.B.5

Rewrite 3⁴ = 81 in logarithmic form.

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

Tags

CCSS.HSF.BF.B.5