Solving Exponentials

Solve for x:

4^x+2 = 64

• x = -16/9

• x = 1

• x = 8

• x = 7/6

Solve for x

• 0.75

• 3

• 0.667

• 1.5

What would be the BEST first step in solving the equation?

• Divide by 125

• Use expansion to "bring the exponents down"

• Set the exponents equal to each other

• Rewrite the bases as powers of 5

Solve for x

• 3

• 4

• 9

• 27

Solve for x:
2^x+6=2⁵

• -1

• 11

• 1

• -11

• 5*5*5

• 5*3

• 3*3*3*3*3

• 3*5

How would you write 64 as an exponential with base 2?

Solve for x:
(-3)^x = (-3)¹³

• 13

• -3

• x + 13

• x -13

Write in exponential form: 8 x 8 x 8 x 8 x 8

• 8⁵

• 8⁸

• 8 x 8 x 8 x 8 x 8

• 8

What is the BASE in the exponential below?

• 4

• 3

• 4³

• 64