Math 10B

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

2^-m = 2^3m-3

• 4/3
• 3/4
• 2
• 1

10^2x+4 =100000

• x=7
• x=20
• x=-1/2
• x=1/2

• x=−3

• x=3

• x=−1

• x=1

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

• 8
• 4
• 2
• Cannot be determined

Solve: 7^-x = 49

• x = 1
• x = -1
• x = 2
• x = -2