Exponents and Logs Review

Which graph matches the logarithmic equation

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Tags

CCSS.HSF-IF.C.7E

Rewrite log₂8 = 3 in exponential form/

• 2⁸ = 3
• 2³ = 8
• 3² = 8
• 8³ = 2

Tags

CCSS.HSF.BF.B.5

Rewrite 3⁴ = 81 in logarithmic form.

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

Tags

CCSS.HSF.BF.B.5

Evaluate:  $\log_{11}x=5$  

• 1

• 8694

• 161051

• 55

Tags

CCSS.HSF.BF.B.5

Evaluate:  $\log_3\left(0\right)=x$  

• 0

• 1

• -1

• No solution

Tags

CCSS.HSF.BF.B.5

Evaluate:  $15^0=x$  

• No Solution

• 1

• 0

• 15

Rewrite:  $11^x=121$  

•  $\log_{11}x=121$  

•  $\log_{121}x=11$  

•  $\log_{11}121=x$  

•  $\log_x11=121$  

Tags

CCSS.HSF.BF.B.5

Evaluate:  $9^x=8$  

• 134217728

• 43046721

• 0.946

• 1.057

Tags

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

 $2\left(7^x\right)=686$  

Evaluate

• 3

• 13

• 11

• -13