CW 5.4_Law of Logarithms

Write 2³= 8 in logarithmic form.

(Your answer should start with log.)

Mathematical Equivalence

ON

The common logarithm has what base?

(a)  

• 10
• 0
• 1
• -10

• A
• B
• C
• D

Expand log_b(xy).

(Rewrite it as two logs)

Mathematical Equivalence

ON

Write the expression as a single logarithm. Then simplify if possible.

log₅3 + log₅6 - log₅9

• log₅0

• log₅56

• log₅2

• log₅98

Match the following:

Rewrite the following in the single log form

• log(.25)

• log(20)

• log(5)

• log(64)

• log(25)

• 0
• 1
• -3
• 3

Mathematical Equivalence

ON