Solving Logarithms Review

log₄(3x-1)=log₄(2x+3)

• 4

• 3

• 1

• 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSF.BF.B.5

• A

• B

• C

• D

Tags

CCSS.HSF.LE.A.4

• A

• B

• C

• D

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CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.A.4

Solve the equation.

• 0

• 2/3

• 3/2

• 1

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

 $2^{13x}=8$  Evaluate:

• 8192

• 3

•  $\frac{3}{13}$  

• 256

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

 $2\left(7^x\right)=686$  

What would you do first to solve?

• Rewrite  $7^x$  in logarithmic form

• Multiply both sides by 2

• Take the square root of both sides

• Divide both sides by 2

Tags

CCSS.HSA.REI.A.1

Solve:
3^x-1 = 81

• 5
• 6
• 9
• 10

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Evaluate the following logarithm by solving for x:

log₈√8 = x

• x = -¹/₂

• x = -1

• x = 1

• ^{x = 1}/₂

Tags

CCSS.HSF.BF.B.5

CCSS.HSN.RN.A.1

CCSS.HSN.RN.A.2

Solve:
log x + log 8 = 2 

• 10
• 12.5
• 15
• 17.5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Solve for x:
4^2x + 1 = 17

• x = 1
• x = -1
• x = 2
• x = -2

Tags

CCSS.7.EE.B.4A