Logarithm Basics

Solve the equation.

• x = 1/25

• x = –25

• x = –25/4

• x = 4/25

Solve the equation.
log₅x + log₅10 = 1

• x = –5

• x = 5

• x = 1/2

• x = –1/2

Solve the equation.
2 log₂3 + log₂x = 6

• x =8/3

• x = 64/9

• x = 36/9

• x = 16/3

Solve the equation for x.

• 7.389

• 0.693

• 0.0183

• 6.581

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

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

Solve for x:

• 1

• 2

• .5

• 4

• x = 2

• x = -2

• y = 2

• y = -2

Evaluate.
log(1/100)

• –2

• 1/2

• –1/2

• 2

Evaluate.
log₃4 – log₃36

• 1/2

• –1/2

• 2

• –2