log basics
log to exponent
exponent to log
solve for x
expand & condense
100

When finding the product property what must always be the same?

The Base

100

log101=0 

10^0=1

100

What is 5^3=125 in log form?

log_5(125)=3

100

What is x if log_5 (x-7)=1?

x=12

100
expand: log5x3

log5+3logx

200

what operation do you do when you add logs?

You multiply

200

log(2x)=5x

105x=2x

200

What is b2=7 in log form?

logb 7=2

200

What is x if log_10 (x-10)=1?

x=20

200

condense: 5logh-8logk

logh5/k8

300

what operation do you do when you subtract logs?

You divide

300

log8 1=0

80 =1

300

What is 2a=12 in log form?

log212=a

300

What is x if log6(2x-4)+log6(4)=log640?

7

300

expand: logb12k/y3

12logb+logk-3logy
400

When condensing and expanding, what are 2 main things you need to do?

1. Find the power property

2. Find the product/quotient property

400

log2 1/16 = -4

2-4 = 1/16

400

What is 35=x in log form?

log3x=5

400

What is x if log5(2x+3)=3?

61

400

condense: 4logc+6logy-3logs

logc4y6/s3

500

what is the difference between ln and log bases?

ln(e) log(10)

500

log4 x=7

47 =x

500

What is 14-2=t in log form?

log14t=-2

500

What is x if log(2x+1)=2?

49.5

500

expand: log45x3y

log45+3log4x+log4y

M
e
n
u