Module 4 - Part 1

|| Exponential equations ||

Solving an exponential equation

Exercises

For each question, click on the box corresponding to your answer, and then click on the 'Submit Answer' button.

1- Solve; 9^2x = 27

x = 3/4 x = 3/2 x = 3

2- Solve; 16^x+1 = 1/2

x = 3/4 x = -1/2 x = -5/4

3- Solve; ()^-x =

x = -1 x = -3 I need help.

4- Solve; 6^x-2 =

x = 0 x = -4 x = 4

5- Solve; 2^x = 1024

x = 12 x = 10 I need help.

6- Solve; =

x = -4 x = 4 I need help.

7- Solve; ()^2x = 42

x = -1/12 x = -5/12 Neither of these answers is correct.

8- Solve; 4 X 2^x X 8^x = 64

x = -1 x = 1 I need help.

9- Solve; 4^x X 2^3(x+1) = 4²

x = 1/5 x = -1/4 Neither of these answers is correct.

10- Solve; 96 X 2^x = 384

x = 2 Impossible I need help.

|| Exponential equations ||

7- Solve; ()^2x = 42
x = -1/12	x = -5/12	Neither of these answers is correct.

9- Solve; 4^x X 2^3(x+1) = 4²
x = 1/5	x = -1/4	Neither of these answers is correct.