Solving Logarithmic Functions

log(2x) - log(5) = log(30)

• 6/5

• 45/2

• 75

• -3/8

log(4x) - log(4) = log(12)

• 12

• 4

• 10

• 100

Solve

• 8

• -8

• 1/8

• -1/8

Tags

CCSS.HSF.BF.B.5

Solve for x:

log₅(4x-7)=log₅(x+5)

• 3

• 12

• 4

• 7

Solve for x:

log₄(3x-1)=log₄(2x+3)

• 4

• 3

• 1

• 8

ln (3x + 2) = ln (5x - 6)

• x = 1

• x = 4

• x = 2

• x = 7

log₂(x² - 6) = log₂(2x+2)

• 4, -2

• No Solution

• 4

• -2

Solve: log₂(2x - 3) = log₂(4x + 5)

• {4}

• {-4}

• {-1/3}

• {1/3}

Solve: log₅ x(x-3) = log₅ 10

• {-2}

• {-2, 5}

• {5}

• undefined

• 1/8^-3 = 2

• 2^-3 = 1/8

• -3^1/8 = 2

• 2³ = 8

Tags

CCSS.HSF.BF.B.5