Solving Using Logarithms

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

• 0
• 1
• 2
• 3

Solve the following equation.  Round your solution to two decimal places.
4 - 3 ln(2x + 10) = 12

• x = 2.20
• x = 1.68
• x = -5.00
• x = -4.97

log₂(x + 5) = 3

• 3
• 4
• 5
• 6

Tags

CCSS.HSF.BF.B.5

log (x - 1)  - log (x - 2)  = log 5

• 7
• 4/9
• 9/4
• 1/7

log₃4x = 2

• x=4/9
  x=4/9
• x=9/4
• x=3/2
• x=2/3

log x = -3

• x=10
• x=.001
• x=3
  x=.01
• 3

Tags

CCSS.HSF.BF.B.5

ln(4-v) = ln(3v)

• 1
• -2
• No Solution
• -5

Solve:
log₂2x = -0.65 

• 0.32
• 0.23
• 0.45
• 0.54

Tags

CCSS.HSF.BF.B.5

Solve:
_{log (−2a + 9) = log (7 − 4a)} 

• -5
• -1
• 1
• 5

Solve:
log₄x² - log₄(x-1) = 1

• 4
• 3
• 2
• 1