Exponential and Logarithm Review

2^x+6=32

• x=-1

• x=11

• x=1

• x=-11

Write the expression as a single logarithm.   Then simplify if possible.
log₅3 + log₅6 + log₅9

• log₅69

• log₅56

• log₅162

• log₅98

The common logarithm has what base?

• 10

• 0

• e

• -e

Expand logarithm

• 5log₅a - 6log₅b

• 5log₅a - 30log₅b

• 5log₅a + 30log₅b

• 30log₅b - 5log₅a 

Evaluate.
log₆(¹/₂₁₆)

• 3

• ¹/₃

• -¹/₃

• -3

Write  5² = 25  in logarithmic  form

• log₅   2 = 25

• log₅    25  =  2

• log₂  25  = 5

• No Correct Answer

Tags

CCSS.HSF.BF.B.5

An exponential function f(x)=a⋅b^x passes through the points (0, 11) and (2, 44). What are the values of a and b?

• a=16, b=11

• a=11, b=16

• a=2, b=11

• a=11, b=2

Tags

CCSS.HSF.LE.A.2

Find the logarithm: log₅(1/125) =

• 2

• -2

• 3

• -3

Find the logarithm: log₄(4^1/3) =

• 4

• -4

• 1/3

• -1/3

Solve for x:

2^x = 50

• 5.6439

• 25

• 0.1772

• 0.1771

Tags

CCSS.HSF.LE.A.4