Exponentials and Logarithms

What is the base of log₃(x) = 9?

• x

• 3

• 9

• 3^x

What is the base of log(x) = 100?

• 1

• x

• 100

• 10

Rewrite in exponential form.

• A

• B

• C

• D

Rewrite in exponential form.

• A

• B

• C

• D

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

Which of the following is an exponential decay model?

• y = 3 * (1/2)^x

• y = 1/2 * (3)^x

• y = -2 * (2)^x

• y = -3 * (3/2)^x

• x = 2

• x = -2

• y = 2

• y = -2

Rewrite the equation in logarithmic form.

• A

• B

• C

• D

Write log₂ 0.25 = -2 in exponential form

• -2²  = 0.25

• -2^0.25  = 2

• 2^-2  = 0.25

• No correct answer