Log Test Review

Rewrite 3⁴ = 81 in logarithmic form.

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

Tags

CCSS.HSF.BF.B.5

Rewrite log₂8 = 3 in exponential form.

• 2⁸ = 3
• 2³ = 8
• 3² = 8
• 8³ = 2

Tags

CCSS.HSF.BF.B.5

Evaluate:
log₄16

• 2
• 4
• 1/2
• -2

Expand.

• log x + 5 log y
• 5 log x + 5 log y
• 5 log x - log y
• log x - 5 log y

Expand.

• A

• B

• C

• D

Condense the expression to a single logarithm.

16 log u +4 log v

• log(u¹⁶v⁴ )

• log(v⁴u⁴)

• log(vuw⁴)

Condense. 

• A
• B
• C
• D

Suppose you invest 1000 into a savings account that pays 3% interest. How much money will be in the account after 7 years? Use: Y = Pe^rt

• 1233.68

• 807.98

• 3000

• 1202.07

You invest $5,000 into a savings account that has an interest rate of 5% compounded continuously. In how many years will there be $12000 in the account? use: Y= Pe^rt

• 12.375 Years

• 177.073 Years

• 0.175 Years

• 17.509 Years

Evaluate by thinking 4 to what power is 16, so

log₄16

• 2

• 4

• 1/2

• -2

Tags

CCSS.6.EE.A.1