Day 4 u3w14
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This document provides an introduction to using logs and outlines 3 steps for solving log equations: 1) Take the log of both sides to isolate the variable, 2) Expand the logs using log rules, 3) Solve the resulting equation for the variable. Key points are that logs cannot be rewritten as powers but can be used to isolate variables by taking logs of both sides.
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Day 4 examples
This document introduces using logs to solve exponential equations. It explains that logs cannot rewrite exponents with different bases and instead taking the log of both sides allows solving for the variable. It provides steps to take logs of both sides, expand them, and then solve for the variable to find the answer.
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This document introduces using logs to solve exponential equations. It explains that logs cannot rewrite exponents with different bases and instead taking the log of both sides allows solving for the variable. It provides steps to take logs of both sides, expand them, and then solve for the variable to find the answer.
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Day 4 u3w14
- 1. Intro to Using Logs We'll use log = log button on calculator, called 'common log' Can't rewrite as same base Instead, we can take or apply logs to both sides and solve = log15 Solve for x Can NEVER rewrite as a power of 4 Can only solve by taking logs of both sides 2) Expand the logs 3) Solve for x