Solving Logarithmic Equations & More Properties of Logarithms

• 5
• 13
• 84
• -20

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

Solve

• 46/5

• 5/46

• -46/5

• -5/46

What is the value of x?

• 2

• 1/3

• 1/35

• -1/35

Tags

CCSS.HSF.BF.B.5

Solve the equation for x.

• 998
• -1.523
• 0.477
• 0

Tags

CCSS.HSF.BF.B.5

-10log₂ x + 8 = -12

• 8

• 12

• 1296

• 4

Solve for x:  log₆x + log₆(x-5) = 2

• √7
• 9
• 4
• none of these

Solve:

ln(x+8) - ln (8) = 3

(you're going to need a calculator and to "e" to the power of something)

• 152.68

• 188.77

• 4.24

• 8.01