Exponential Equations
Log<->Exp. or Change base
No Common Base or graphing
Log Properties
Logarithmic Equations
100

3x+2=35

x=3


100

Log91=0

90=1

100

f(x)= log5(x+5)-9

What are the transformations? 

left 5

down 9

100

Log79+Log74

Log736

100

Log2(1-4n)=Log2(2n+43)

n=-7

200

3x+2=92x+3

x=4/3

200

Log264

Change of base

6

200

4k=148

K=3.6047

200

3xLog48-5xLog42

Log416

200

3xLog74=Log7(4a-8)

a=18

300

2x+4x48=83x-16

x=17/2

300

Log3729

Change of base

6

300

f(x)=log3x-6

What is the transformation? 

down 6

300

Log4m7-Log4m2

Log4m5

300

1/2xLog625=Log6(23-4w)

w=4.5

400

24xx216=1/16

x=5

400

251/2=5

Log255=1/2

400

16m-8=92

m=9.6309

400

Log6(xyz4)

Log6x+Log6y+4(log6z)
400

Log(2x)+Log(x-5)=2

x=10,x=-5

500

1/72xx1/721=498x-7

x=-7/18

500

Log81/64=-2

8-2=1/64

500

7-4x+1=18

No Solution

500

Log3 square root 4 (m5n2)

1/4(5log3m+2Log3n)

500

Log6(x+9)+Log6x=2

x=3