Solving Logarithmic Equations #2

Solve log(x) + log(x+3) = 1

• 5
• -2
• -5
• 2

log₂(x + 2) + log₂x  = 3

• -4, 2
• -2, 4
• 2
• 1

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log₅(4x-7)=log₅(x+5)

• 3
• 12
• 4
• 7

Solve

• A
• B
• C
• D

log₄(3x-1)=log₄(2x+3)

• 4

• 3

• 1

• 8

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSF.BF.B.5

log₂(x² - 6) = log₂(2x+2)

• 4, -2

• No Solution

• 4

• -2

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log_x1000=3

• 1

• 10

• 30

• 3

Tags

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log₈(4x+4)=2

• 15

• 12

• 10

• 3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSF.BF.B.5

CCSS.HSF.LE.A.4

log ₃ (5x − 4) + log ₃ 8 = 2

• x = -4/5

• x = 21/5

• x = 41/40

• x = -17/40

log (7x + 2) − log 3 = 1

• x = 11/7

• x = -5/21

• x = 0

• x = 4