6. 7 - Exponential and Log 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: 9^8–x = 27^x–3

• x = 5

• x = -5

• x = 1/5

• x = -1/5

Solve the equation for x.

• x = 2.41

• x = 12

• x = 33.333

• x = 5.99

6^3x – 3 = 56

• 2.2757

• 1.3592

• 0.7586

• 0.5903

7ⁿ⁺¹⁰ – 8 = 6

• -7.374

• -8.643

• -7.360

• -8.853

log₂(x + 5) = 3

• 3
• 4
• 5
• 6

log(x+6) = 1

• 4
• 4.222
• -5
• -9.550

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log₂(x – 2) + log₂x = 3

• -4, 2

• -2, 4

• 2

• 4

Solve:

log₉(x) + log₉(x+2) = log₉(35)

• 5

• -7

• 5, -7

• -7, -13