Unit 7 Day 4 Homework - Solving Equations with Logs

Write the equation in exponential form.

log₂(x - 4) = 6

• x - 4 = 6²

• 6₂ = x - 4

• 2^(x-4) = 6

• 2⁶ = x - 4

Tags

CCSS.HSF.BF.B.5

Rewrite in logarithmic form.

8^m-7 = 92

• 8⁹² = m - 7

• 92 = 8(m - 7)

• log₈92 = m - 7

• log_(m-7)92 = 8

Tags

CCSS.HSF.BF.B.5

log₂(x+3)=4

• 16

• 13

• 3

• 10

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log(x+6) = 1

• 4
• 4.222
• -5
• -9.550

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

Solve the equation for x.

• 998
• -1.523
• 0.477
• 0

Tags

CCSS.HSF.BF.B.5

Solve

• A
• B
• C
• D

Tags

CCSS.HSF.BF.B.5

Solve for x.
 $\log_{196}\left(x\right)=\frac{1}{2}$  

• 14

• 98

• 392

• No solution

Tags

CCSS.HSF.BF.B.5

Solve for x.
 $\log_8\left(x+4\right)=2$  

• 12

• 60

• 64

• No solution

Tags

CCSS.HSF.BF.B.5

Solve for x.
 $\log_{20}\left(2x-100\right)=3$  

• 80

• 1023

• 4050

• No solution

Tags

CCSS.HSF.BF.B.5

Solve for x.
 $\log_3\left(2x-6\right)=\log_3\left(3x-7\right)$  

• -3

• 14

• -8

• No solution

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4