Unit 7 test Logarithms

Evaluate the Logarithm: log₃(1/81)

• 27
• -4
• 4
• -27

What is the base of the logarithm:
ln(8) = 2.08 ?

• e
• 10
• 2.08
• 8

Tags

CCSS.HSF.BF.B.5

Re-Write the Exponential Equation into Logarithmic Form
x^-z = 1/32

• log_x(1/32) = -z
• log_x(1/32) = z
• log_x(-z) = 1/32
• log_z(1/32) = -x

Tags

CCSS.HSF.BF.B.5

Re-Write the Logarithm Equation into Exponential Form
ln (5) = 1.6

• e⁵ = 1.6
• e^1.6 = 5
• 1.6⁵ = e
• 5^e = 1.6

Tags

CCSS.HSF.BF.B.5

Write as one logarithm. Simplify, if possible.
log₃9 + log₃27

• -1
• 5
• 4
• 1

Tags

CCSS.HSA.SSE.B.3

CCSS.HSF.BF.B.5

Condense

• A
• B
• C
• D

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

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

• log (12 + 2x)
• log (14x)
• log (12 * 2x)
• log (12x²)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.BF.B.5

CCSS.HSF.IF.C.8

• log(x) + log(z) + 4log(y)
• 3log(x) − log(z) − 4log(y)
• 3log(x) + log(z) + 4log(y)
• log(x) − 4log(z) − 3log(y)

Tags

CCSS.HSA.SSE.A.2

CCSS.HSA.SSE.B.3

CCSS.HSF.BF.B.5

Logarithmic functions are the inverse of...

• Linear Functions
• Exponential Functions 
• Quadratic Functions 
• Polynomial Functions 

Tags

CCSS.HSF.BF.B.5

What is the Range?

• y > 0
• All Real Numbers
• y > 1
• y < 1

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2