Algebra 2 Logarithm Review

• 5
• 13
• 84
• -20

Solve the following equation.  Round your solution to two decimal places.
4 - 3 ln(2x + 10) = 12

• x = 2.20

• x = 1.68

• x = -5.00

• x = -4.97

log₂(x + 2) + log₂x  = 3

• -4, 2

• -2, 4

• 2

• 1

Evaluate.
Log₂64

• A) 5

• B) 3

• C) 6

• D) 32

log₂32 = 5

• 2^-5 = 32

• 2³² = 5

• 2⁵ = 32

• 32⁵ = 2

log₂32 = 5

• 2^-5 = 32

• 2³² = 5

• 2⁵ = 32

• 32⁵ = 2

Write in exponential form

log₂32 = 5

• 2^-5 = 32

• 2³² = 5

• 2⁵ = 32

• 32⁵ = 2

Solve for x:

e^x=7

• ln7 = x

• ln⁷ = x

• 7^ln = x

• No solution

Evaluate the log:

log₅(1/125) =

• 1/3

• 3

• -3

• 2