Logarithms Exam

• 0

• 1

• 2

• 12

Evaluate: log₃243

• 81

• ⅕

• 5

• 729

Evaluate log₄1

• 1

• 0

• 4

• undefined

What is the purpose of a logarithm?

• to solve for the denominator

• to solve for the exponent

• to solve for the numerator

Expand.

• log x + log y + log z

• log x + log y + log z

• log x - log y - log z

• log x + log y + log z

Solve:
log₃ (x - 3) = 4

• x = 78

• x = 6

• x = 84

• x = x = 7

Expand

• 5log₅a - 6log₅b

• 5log₅a - 30log₅b

• 5log₅a + 30log₅b

• 30log₅b - 5log₅a 

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

• log (12 + 2x)

• log (14x)

• log (24x)

• log (12x²)

• x=1

• x=-1

• y=1

• y=-1

• left 3, right 1

• right 3, down 1

• right 3, up 1

• left 3, down 1