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- GCE O-Level A Maths
- Logarithms

Still Confused?

Try reviewing these fundamentals first.

Still Confused?

Try reviewing these fundamentals first.

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Get Started Now- Lesson: 15:53

Basic concepts: What is a logarithm?, Converting from logarithmic form to exponential form, Evaluating logarithms without a calculator,

Related concepts: Logarithmic scale: Richter scale (earthquake), Logarithmic scale: pH scale, Logarithmic scale: dB scale,

- 1.What is $``$common logarithms$"?$

Evaluate $\log100$a)by converting to exponential form.b)by using the LOG key on a calculator.

19.

Logarithms

19.1

What is a logarithm?

19.2

Converting from logarithmic form to exponential form

19.3

Evaluating logarithms without a calculator

19.4

Common logarithms

19.5

Natural log: ln

19.6

Evaluating logarithms using change-of-base formula

19.7

Converting from exponential form to logarithmic form

19.8

Solving exponential equations with logarithms

19.9

Product rule of logarithms

19.10

Quotient rule of logarithms

19.11

Combining product rule and quotient rule in logarithms

19.12

Evaluating logarithms using logarithm rules

19.13

Solving logarithmic equations

19.14

Graphing logarithmic functions

19.15

Finding a logarithmic function given its graph

We have over 1450 practice questions in GCE O-Level A Maths for you to master.

Get Started Now19.1

What is a logarithm?

19.2

Converting from logarithmic form to exponential form

19.3

Evaluating logarithms without a calculator

19.4

Common logarithms

19.5

Natural log: ln

19.6

Evaluating logarithms using change-of-base formula

19.7

Converting from exponential form to logarithmic form

19.8

Solving exponential equations with logarithms

19.9

Product rule of logarithms