log and exp equations

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

Solve 3³ = 3^{4x + 2}

• 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 8 = 2^5x+7

• x = ⅘
• x = ¼
• x = -⅘
• x = -¼

Solve for x:
(-3)^x = (-3)¹³

• 13
• -3
• x + 13
• x -13

Solve for p:
4^p+2 = 64

• p = -16/9
• p = 1
• p = 8
• p = 7/6

Write the equation in exponential form.

log₂(x - 4) = 6

• x - 4 = 6²

• 6₂ = x - 4

• 2^(x-4) = 6

• 2⁶ = x - 4

Tags

CCSS.HSF.BF.B.5

• x = 16/3

• x = 16

• x = 3/4

• x = 17

Tags

CCSS.HSF.BF.B.5