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- Logarithms and Exponential Functions
Evaluating logarithms without a calculator
- 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
Evaluating logarithms without a calculator
Related Concepts: Logarithmic scale: Richter scale (earthquake), Logarithmic scale: pH scale, Logarithmic scale: dB scale
Lessons
- 1.Evaluate:a)log832b)log51[useful rule: logb1=0]c)log55[useful rule: logbb=1]d)-3log161024e)log3(811)f)log2564
- 2.A Logarithmic Expression As An Exponent
Evaluate:a)3log39[useful rule: blogba=a]b)2log21024 - 3.evaluate:log25125
- 4.without using a calculator, determine which logarithmic expression has a bigger value:
log220vs.log380
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29.
Logarithms and Exponential Functions
29.1
What is a logarithm?
29.2
Evaluating logarithms without a calculator
29.3
Product rule of logarithms
29.4
Quotient rule of logarithms
29.5
Combining product rule and quotient rule in logarithms
29.6
Solving logarithmic equations
29.7
Evaluating logarithms using change-of-base formula
29.8
Exponential growth and decay by a factor
29.9
Exponential decay: Half-life
29.10
Natural log: ln