Grade Practice Test | Lumos Learning

Grade Practice Test | Lumos Learning

Solve the equation \(3^x=27\) using logarithmic form.
Note:
Enter your answer as whole number only.

Shane changed the equation \(2e^x\)=16 to logarithmic form and got x=log8. His answer is incorrect, tell the correct answer.

Solve \(3^x=12\) using logarithmic form.

A.

\(x=\frac{ln12}{ln3}\)

B.

\(x=\mathrm{ln}\mathrm{}(4)\)

C.

\(x=\mathrm{ln}\mathrm{}(9)\)

D.

None of these

Linear, Quadratic, and Exponential Models (HSF.LE.A.4)