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- Logarithmic Functions

Still Confused?

Try reviewing these fundamentals first

Still Confused?

Try reviewing these fundamentals first

Nope, got it.

That's the 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.$\log_380$

42.

Logarithmic Functions

42.1

What is a logarithm?

42.2

Converting from logarithmic form to exponential form

42.3

Evaluating logarithms without a calculator

42.4

Common logarithms

42.5

Natural log: ln

42.6

Evaluating logarithms using change-of-base formula

42.7

Converting from exponential form to logarithmic form

42.8

Solving exponential equations with logarithms

42.9

Product rule of logarithms

42.10

Quotient rule of logarithms

42.11

Combining product rule and quotient rule in logarithms

42.12

Evaluating logarithms using logarithm rules

42.13

Solving logarithmic equations

42.14

Graphing logarithmic functions

42.15

Finding a logarithmic function given its graph

We have over 2320 practice questions in ACCUPLACER Test Prep for you to master.

Get Started Now42.1

What is a logarithm?

42.2

Converting from logarithmic form to exponential form

42.3

Evaluating logarithms without a calculator

42.4

Common logarithms

42.5

Natural log: ln

42.6

Evaluating logarithms using change-of-base formula

42.7

Converting from exponential form to logarithmic form

42.8

Solving exponential equations with logarithms

42.9

Product rule of logarithms