Rewrite Log and Exponential Equations

Solve the equation for x.

• 22.198

• e

• 1.131

• 21.66

Tags

CCSS.HSF.BF.B.5

log x - log 8 = 3

• x = 1000

• x = 800

• x = 8000

• x = 100

Solve log₅ (x + 3) = log₅ x + log₅ 3

• 3/2

• 9/2

• 2/3

• No Solution

• A

• B

• C

• D

• 6log₈(xyz)
• log₈(x) - log₈(y) - 6log₈(z)
• log₈(x) + log₈(y) - log₈(z)
• log₈(x) + log₈(y) + 6log₈(z)

• A
• B
• C
• D

Tags

CCSS.HSF.BF.B.5

Condense

• A

• B

• C

• D

Write as a single log: log 12 + 2 log x

• log (12 + 2x)

• log (14x)

• log (12 * 2x)

• log (12x²)

Rewrite log₂8 = 3 in exponential form.

• 2⁸ = 3

• 2³ = 8

• 3² = 8

• 8³ = 2

Tags

CCSS.HSF.BF.B.5

log₅(4x-7)=log₅(x+5)

• 3

• 12

• 4

• 7