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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.$\log_380$

20.

Logarithmic Functions

20.1

What is a logarithm?

20.2

Converting from logarithmic form to exponential form

20.3

Evaluating logarithms without a calculator

20.4

Common logarithms

20.5

Natural log: ln

20.6

Evaluating logarithms using change-of-base formula

20.7

Converting from exponential form to logarithmic form

20.8

Solving exponential equations with logarithms

20.9

Product rule of logarithms

20.10

Quotient rule of logarithms

20.11

Combining product rule and quotient rule in logarithms

20.12

Evaluating logarithms using logarithm rules

20.13

Solving logarithmic equations

20.14

Graphing logarithmic functions

20.15

Finding a logarithmic function given its graph

We have over 1390 practice questions in Higher 1 Maths for you to master.

Get Started Now20.1

What is a logarithm?

20.2

Converting from logarithmic form to exponential form

20.3

Evaluating logarithms without a calculator

20.4

Common logarithms

20.5

Natural log: ln

20.6

Evaluating logarithms using change-of-base formula

20.7

Converting from exponential form to logarithmic form

20.8

Solving exponential equations with logarithms

20.9

Product rule of logarithms