Vocabulary
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Evaluate
Condense
Solve
100

This is the default base of the common log.

10

100

log(xy)

log(x) + log(y)

100

log100.000001

-6

100

log(2x) + log(4x)

log(8x2)

100

5(x-4)=25

x = 6

200

This is the only base for the natural log

e (euler's number)

200

log(xyz)7

7log(x) + 7log(y) + 7log(z)

200

log3243

5

200

5log(x) + 5log(y)

log(xy)5

200

2 + log9(6x) = 4

x = 13.5 or 

27/2

300

Any expression within a logarithm is called the ______?

Arugment

300

log(xy3)

log(x) + 3log(y)

300

log927

3/2 or 1.5

300

2log(x) + log(y) - log(z)

log(x2y/z)

300

ln(x+6) + ln(x) = ln(27)

x = 3

400

This always has the same base.

Natural Logarithm

400

log(xy/z)

log(x) + log(y) - log(z)

400

log0.2564

-3

400

6log(x) + 4log(x) - 7log(x)

log(x3)

400

5 + 10log7(5-3x) = 25

x = 

-44/3

500

This allows us to condense a difference of two or more logarithms provided they have the same base.

Quotients Property

500

log(x3/y5)

3log(x) - 5log(y)

500

log1.60.625

-1

500

3log(x4)+2log(y6)

log(x12y12)

500

log2x+log2(x-2)=3

4

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