Natural Base e and Characteristics of Logs

Write this exponential into logarithmic form: 5³=125

• log₁₂₅ 5 = 3

• log₃ 5 = 125

• log₅ 125 = 3

• log₅ 3 = 125

Write this logarithmic function into exponential form:

log₈₁ 9 = 1/2

• 81^1/2 = 9

• 81⁹ = 1/2

• 9^1/2 = 81

• 81² = 9

Write this Natural Logarithmic function into Base "e" form:

ln15 = 2.71

• log_e 15 = 2.71

• e^2.71 = 15

• e¹⁵ = 2.71

• e = 15

Tags

CCSS.HSF.BF.B.5

Evaluate this logarithm: (round to the nearest hundredth place)

log₈11

• 1.0

• 1.2

• 1.13

• 1.15

Evaluate this logarithm: (round to the nearest hundredth place)

log₁₅15

• 1.0

• 1.2

• 1.18

• 1.17

Sovle for x:
5^{-3x - 1} = 125

• -4/3
• -4
• -3
• -9/5

Sovle for x:
2^{3x + 1} = 32

• 0
• -1
• 5/3
• 4/3

Solve for x:

5^x = 17

• .57

• 1.5

• 1.76

• 3.4

Solve:
_{log (4x − 5) = log (2x − 1)} 

• 0
• 1
• 2
• 3

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

CCSS.HSA.REI.A.1

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

log₂(x + 5) = 3

• 3
• 4
• 5
• 6

Tags

CCSS.HSF.BF.B.5