Still Confused?

Try reviewing these fundamentals first.

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- AU Maths Extension 1
- 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.$\log_380$

25.

Logarithmic Functions

25.1

What is a logarithm?

25.2

Converting from logarithmic form to exponential form

25.3

Evaluating logarithms without a calculator

25.4

Common logarithms

25.5

Natural log: ln

25.6

Evaluating logarithms using change-of-base formula

25.7

Converting from exponential form to logarithmic form

25.8

Solving exponential equations with logarithms

25.9

Product rule of logarithms

25.10

Quotient rule of logarithms

25.11

Combining product rule and quotient rule in logarithms

25.12

Evaluating logarithms using logarithm rules

25.13

Solving logarithmic equations

25.14

Graphing logarithmic functions

25.15

Finding a logarithmic function given its graph

We have over 1640 practice questions in AU Maths Extension 1 for you to master.

Get Started Now25.1

What is a logarithm?

25.2

Converting from logarithmic form to exponential form

25.3

Evaluating logarithms without a calculator

25.4

Common logarithms

25.5

Natural log: ln

25.6

Evaluating logarithms using change-of-base formula

25.7

Converting from exponential form to logarithmic form

25.8

Solving exponential equations with logarithms

25.9

Product rule of logarithms