Logarithm Exponents

Solve for x:   log₃ x = -4

• 1/81

• 81

• -81

• -1/81

• A

• B

• C

• D

• A

• B

• C

• D

Solve:
6^x + 5 = 221

• x = 36

• x = 216

• x = 3

• x = 2

Solve:  
log₅ (x + 3) = 3

• x = 122

• x = 128

• x = 240

• x = 246

Solve for x.
3^x = 27

• 2

• 4

• 3

• 5

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

• log₅69

• log₅56

• log₅162

• log₅98

Solve for x:
2^{3x + 1} = 32

• 0

• -1

• 5/3

• 4/3

• True, subtraction between two logarithms is division in condensed form.

• True, a logarithm is an exponent. When dividing like bases you subtract exponents therefor dividing logarithms as in this example.

• False, subtraction between two logarithms is division within a single logarithm in condensed form.