Solve Exponential Equations with Common Base

Solve for a:
5^{a + 2} = 1/125

• -1

• -6/7

• -5

• 4

Solve for x using the same base method.
3^x-20 = 27

• 17

• 27

• -7

• 23

Solve: 2^x = 4^x+1

• -2

• 2

• -3

• 3

Solve: 9^8-x = 27^x-3

• x = 5

• x = -5

• x = 1/5

• x = -1/5

Solve for p:
4^p+2 = 64

• p = -16/9

• p = 1

• p = 8

• p = 7/6

Tags

CCSS.HSF.LE.A.4

Solve 3³ = (3²)^{2x + 1}

• x = ¼

• x = -¼

• x = ½

• x = -½

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

• 8

• 4

• 2

• Cannot be determined

Solve for x:
12^2x-10 = 1

• 1

• 10

• -5

• 5

Solve for x:  2^2x+8=16^x

• x=8

• x=2

• x=4

• x=5

Solve for x: 27^2x+1=3^x+18

• x=2

• x=17/5

• x=15

• x=3