Solving Exponential Equations

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

• x = 5
• x = -5
• x = 1/5
• x = -1/5

Solve: 7^-x = 49

• x = 1
• x = -1
• x = 2
• x = -2

Solve: 2^x = 4^x+1

• x = -2
• x = 2
• x = -3
• x = 3

Sovle for x:
5^{-3x - 1} = 25

• x = -1
• x = -4
• x = -3
• x = 1

Solve for p:
4^p+2 = 64

• p = -16/9
• p = 1
• p = 8
• p = 7/6

2^x+6=32

• x=-1
• x=11
• x=1
• x=-11

• 1/2

• 5/8

• -1

• 8/5

81^3-x = (1/3)^5x-6

• 6
• -6
• 9/2
• 3/2

Solve for x.

16^x+5 = 64^-2

• 1/2

• 8

• -8

• 2

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

• 8
• 4
• 2
• Cannot be determined