Math 3 Unit 2 Review 2

Simplify (-4r⁵)(2r⁸)

• -2r¹³

• -2y⁴⁰

• -8r⁴⁰

• -8r¹³

• 32t³⁰r¹⁵

• 32t¹¹r⁸

• -32t³⁰r¹⁵

• -32t¹¹r⁸

Write 5^x =10 in log form

• $\log_{10}5$

• 5 log10

• 10 log 5

• log₅10

Change to exponential form.

log_a2 = 5

• a² = 5

• a⁵ = 2

• 5² = a

• 2⁵ = a

Solve the log using change of base

log₉27

• 3

• 2/3

• 3/2

• .5

Condense

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

• A

• B

• C

• D

Solve:

log₆(2x + 3) = 3

• x=100

• x=50

• x=16

• x = 106.5