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Try reviewing these fundamentals first.

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- Logarithmic Functions

Still Confused?

Try reviewing these fundamentals first.

Still Confused?

Try reviewing these fundamentals first.

Nope, I got it.

That's that last lesson.

Start now and get better math marks!

Get Started NowStart now and get better math marks!

Get Started NowStart now and get better math marks!

Get Started NowStart now and get better math marks!

Get Started Now- Lesson: 1a1:45
- Lesson: 1b2:31
- Lesson: 1c1:57
- Lesson: 1d5:22
- Lesson: 1e1:54
- Lesson: 1f2:01
- Lesson: 2a5:27
- Lesson: 2b0:30
- Lesson: 34:14
- Lesson: 45:04

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

- 1.Evaluate:a)$\log_832$b)$\log_51$[useful rule: $\log_b1 = 0]$c)$\log_55$[useful rule: $\log_bb = 1]$d)-3$\log_{16}1024$e)$\log_3 (\frac{1}{81})$f)$\log_2 {^5}\sqrt{64}$
- 2.
**A Logarithmic Expression As An Exponent**

Evaluate:a)${3^{log_39}}$[useful rule: ${b^{log_ba}} = a]$b)${2^{log_21024}}$ - 3.evaluate:$\log_{25} \sqrt{125}$
- 4.without using a calculator, determine which logarithmic expression has a bigger value:

$\log_220$vs.$\log_380$

13.

Logarithmic Functions

13.1

What is a logarithm?

13.2

Converting from logarithmic form to exponential form

13.3

Evaluating logarithms without a calculator

13.4

Common logarithms

13.5

Natural log: ln

13.6

Evaluating logarithms using change-of-base formula

13.7

Converting from exponential form to logarithmic form

13.8

Solving exponential equations with logarithms

13.9

Product rule of logarithms

13.10

Quotient rule of logarithms

13.11

Combining product rule and quotient rule in logarithms

13.12

Evaluating logarithms using logarithm rules

13.13

Solving logarithmic equations

13.14

Graphing logarithmic functions

13.15

Finding a logarithmic function given its graph

We have over 1570 practice questions in AU Year 10 Maths for you to master.

Get Started Now13.1

What is a logarithm?

13.2

Converting from logarithmic form to exponential form

13.3

Evaluating logarithms without a calculator

13.4

Common logarithms

13.5

Natural log: ln

13.6

Evaluating logarithms using change-of-base formula

13.7

Converting from exponential form to logarithmic form

13.8

Solving exponential equations with logarithms

13.9

Product rule of logarithms