Evaluating Basic Logarithms

• 1

• 12

• 0

Simplify log ₃ (1/27)

• -9

• -3

• 1/9

• 1/3

Rewrite 5²=25 into logarithmic form.

• log ₂₅ 2 = 5

• log ₅ 2 = 25

• log ₂ 25 = 5

• log ₅ 25 = 2

Evaluate

log ₂ 8

• 4

• 3

• 1/3

• -3

Evaluate log ₅ (1/25)

• -5

• -2

• 1/2

• 1/25

Evaluate log ₇ 343

• 3

• -3

• 1/3

• Undefined