Logs Standard 1 Math 4

Condense

• A
• B
• C
• D

Expand logarithm

• 5log₅a - 6log₅b
• 5log₅a - 30log₅b
• 5log₅a + 30log₅b
• 30log₅b - 5log₅a 

Evaluate.
log₆(¹/₂₁₆)

• 3
• ¹/₃
• -¹/₃
• -3

Write in exponential form.
log₂32 = 5

• 2^-5 = 32
• 2³² = 5
• 2⁵ = 32
• 32⁵ = 2

log₅25 = ?

• 2
• 5
• 125

Rewrite log₂8 = 3 in exponential form/

• 2⁸ = 3
• 2³ = 8
• 3² = 8
• 8³ = 2

Write as a single log: log 12 + 2 log x

• log (12 + 2x)
• log (14x)
• log (12 * 2x)
• log (12x²)

Evaluate the following logarithm by converting to exponential form.
log₃⅓ = x

• x = -1
• x = 1
• x = 3
• x = ⅓

Evaluate $\log_{16}128$  

• 7/4

• 1.5

• undefined

• -4/7

Solve $\log_3\left(3x-7\right)=\log_3\left(2x+5\right)$