Logarithm checker

Write as one logarithm. Simplify, if possible.

log₃9 + log₃27= log₃ ?

(Answer by number only)

Write as one logarithm. Simplify, if possible.

log₂ 20 - log₄100 =

• 2

• -1

• 0

• 1

• cannot be simplified

Write in logarithmic form.

(-5)² = 25

• log₅2 = 25

• log₂25 = 5

• log₂₅5 = 2

• neither

• not possible

Evaluate log₄1

• 1

• 0

• 4

• undefined

• neither

Write the logarithm expression as a single logarithm

log₅4 + log₅3

• log₅7

• log₅12

• log₇5

• 3log₅4

• neither

Write the logarithm expression as a single logarithm

log₄60 - log₄4 + log₄x

• log₄15

• log₄15x

• log₄56x

• xlog₄30

• neither

Write the logarithm expression as a single logarithm

2log 4 + log 2

• log 8

• log 16

• log 32

• log 8²

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.BF.B.5

Expand the logarithm expression

log 6x³y

• log 6x³ + log y

• log 6 + log x³ + log y

• 3 log 6 + log x + log y

• log 6 + log x + log 3y

• neither

Expand the logarithm expression

log 5x/4y

• log 5x + log 4y

• log 5x - 4log y

• log 5 + log x - log 4 - log y

• 5log x - 4 log y

• neither

 $\log_7\ 6.931$  

Approximate with 3 decimal places precision!