## U5 L11 Define Vars and Write Equations.jpg - Section 4: REALLY BIG IDEAS! with an Example from the Quiz

U5 L11 Define Vars and Write Equations.jpg

# REALLY BIG IDEAS! Graphing vs. Substitution

Unit 9: Systems of Equations
Lesson 11 of 20

## Big Idea: If you’re going to have a variety a tools, it’s a good idea to have a good idea of what each is good for!

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Standards:
43 minutes

### James Dunseith

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