Exponential Equations Different Base

Solve for x:

5^{x+ 2} = 1/125

• -1

• -6/7

• -5

• 4

Solve: 7^-x = 49

• x = 1

• x = -1

• x = 2

• x = -2

Solve 4^2x+3 = 1

• x = -3/2

• x = - 2/3

• x = 1

• x = - 1

To solve 8 = 2^5x+7, you would need to re-write 8 using what as your base?

• 8

• 4

• 2

• Cannot be determined

• n=1/3

• n=-1

• n=1/2

• n=2

• None of these

• 2/3
• 1
• -9
• All Real Numbers

• 4/3

• -4/3

• 3/4

• -3/4

Solve the exponential equation:

• -11/4

• 6

• 9/4

• 8

Solve for x:

125 = 5^-x+6

• 3

• -3

• 6

• -6

Solve: 2^x = 4^x+1

• -2

• 2

• -3

• 3