Exponential Form
Log Form
Solve Log
Solve Exponentials
Labeling
100

Log39=2

32=9


100

122=144

Log12(144)=2

100

log2⁡x=3

x=8

100

3x=27

x=3

100

log2⁡x=3

What is the base?

2

200

logy⁡x=-8

y-8=x

200

64(1/2)=8

Log64(8)=1/2

200

logx64=6

x=2

200

1/4=42x

x=(-1/2)

200

log2⁡x=3

What is the exponent?

3

300

log225⁡15=1/2

2251/2=15

300

9(-2)=1/81

Log9(1/81)=-2

300

log⁡(2x+2)=3

x=499

300

81=3(5)(x-7)+6

x=9

300

log2⁡x=3

What is this form?

logarithmic

400

log⁡√10=1/2

101/2=√10

400

100=1

Log(1)=0

400

ln⁡(x+6)-3=-5

e-2-6

400

32x=17

log17/2log3=x

400

log2⁡x=3

What is the subscript?

2

500

ln⁡5=1.609

e1.609=5

500

e^3=20.086

ln(20.086)=3
500

log25⁡(1/5)=3x

x=(-1/6)

500

2e(4x-1)-3=15

(ln9+1)/4=x

500

What is the formula to change this base?

log2⁡3

log3/log2