Reviewing Exponents and Logs - B8

Rewrite in exponential form:

log₉x=2

• 9^x=2

• 2^x=9

• 2⁹=x

• 9²=x

Tags

CCSS.HSF.BF.B.5

Change to logarithmic form.

3^h = w

• log_w3 = h

• log₃w = h

• log_h3 = w

• log₃h = w

Tags

CCSS.HSF.BF.B.5

Write log_b(x/y) as two logs

• log_bx-log_by
• log_bx+log_by
• log_bx*log_by
• log_bx/log_by

Evaluate

• 6

• 12

• 18

• 0

Simplifying using laws of logarithms

• log(15)

• log(72)

• log(56)

• log(39)

log₈5x²-log₈10=1

• x = 4

• x = 8

• x = 2

• x = 16

Write as a single logarithm:

log16 + log2 - log8

• log4

• log8

• log10

• log24

log (a²b) = ?

• 2log(a) + log(b)

• 2log(a) + 2log(b)

• log(a) + log(b)

• 2log(a) x log(b)

Logarithmic functions are the inverse of...

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

Calculate: $\log_28+\log_210-\log_25$ . 

•  $\log_2400$  

•  $\log_213$  

• 2

• 4