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# PMa 12 What is a Logarithm?

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• 1. What is a Logarithm? C. Hunter Principles of Math 12
• 2. www.brainybetty.com What is the relationship between the three numbers?
• 3. www.brainybetty.com If log a b = c , then what is the relationship between the variables? base exponent
• 4. www.brainybetty.com log base answer = exponent log bacon and = eggs
• 5. www.brainybetty.com Evaluate and explain. 1. 2. 3. 4. 5. 6. 7.
• 6. www.brainybetty.com Solve. 1. Exponential form
• 7. www.brainybetty.com 2. Exponential form
• 8. www.brainybetty.com 3. Bacon and Eggs
• 9. www.brainybetty.com Exponential & Logarithmic Functions
• 10. www.brainybetty.com The Richter Scale is a base 10 logarithmic scale.
• 11. www.brainybetty.com An earthquake in Seattle measured 5.4. An earthquake in Vancouver measured 3.2. How many times as intense was the earthquake in Seattle as the one in Vancouver?
• 12. www.brainybetty.com