Review of Logs

Rewrite the equation in exponential form:
log₉ 1/81 = -2

• ln -2 = 1/81
• -2^1/81 = 9
• 9^-2 = 1/81
• 9^1/81 = -2

Tags

CCSS.HSF.BF.B.5

Rewrite the equation in exponential form:
 log_vn = a

• v^a = n
• n^a = v
• vⁿ = a
• aⁿ = v

Tags

CCSS.HSF.BF.B.5

Evaluate the expression:
log₃ 1/243

• 1/5
• -5
• -1/5
• 5

Tags

CCSS.HSF.BF.B.5

Evaluate the expression:
log₃₄₃ 7

• 3
• -3
• 49
• 1/3

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Rewrite 3⁴ = 81 in logarithmic form.

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

Tags

CCSS.HSF.BF.B.5

ln e⁵= 

• e⁵
• ln 5
• 5
• 5e

Tags

CCSS.HSF.BF.B.5

Evaluate the log:
log₃(1/9) = 

• 1/2
• 2
• -2
• 3

Tags

CCSS.HSF.BF.B.5

log₃81 = 

• 2
• 3
• 4
• 5

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log₄1 = 

• 0
• 1
• 4
• DNE

Tags

CCSS.HSF.BF.B.5

Evaluate:
log₄16

• 2
• 4
• 1/2
• -2

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4