Beginning Logarithms

What base is the common logarithm?

• e

• 2

• 5

• 10

log₂ 8 =

• 3

• -3

• 2

• 1

Solve for x: log_x 5 = 1

• 1/5

• 5

• 0

• 4

log_a a =

• -1

• a

• 0

• 1

Solve 4^x = 64

• 3

• -3

• 2

• 16

Solve 3^2x = 9

• -1

• 2

• 0

• 1

Evaluate log 0.1

• -2

• 1

• 0.1

• -1

Solve for x: log_x 3 = 0

• All real numbers

• No solution

• 1

• 3

Solve for x:

log₂ x = -2

• -4

• 0.25

• -2

• 0.5

Which statement is NOT true?

• log₂ 0.5 = -1

• log₂ 1 = 0

• log₂ (-1) = -0.5

• log₂(1/8) = -3