Precalc Log/Exp Equation Practice Problems

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

log₄(3x-1)=log₄(2x+3)

• 4

• 3

• 1

• 8

log₂(x+3)=4

• 16

• 13

• 3

• 10

log_x1000=3

• 1

• 10

• 30

• 3

log₈(4x+4)=2

• 15

• 12

• 10

• 3

Log with a base "e" (log_e) is the same thing as...

• "e"
• Natural Logarithm (LN)
• Common Logarithm (Log)
• Natural Log, base "e"
  LN_e

Logarithmic functions are the inverse of...

• Linear Functions
• Exponential Functions 
• Quadratic Functions 
• Polynomial Functions 

log₂(x² - 6) = log₂(2x+2)

• 4, -2

• No Solution

• 4

• -2

The common logarithm has what base?

• 10
• 0
• e
• -e

Solve

• 8

• -8

• 1/8

• -1/8