3.2 Solving Systems of Equations: Substitution Graph the ... · 3.2 Solving Systems of Equations:...
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3.2 sub and eli D1andD2 .notebook 1 August 31, 2017 Aug 2210:24 PM 3.2 Solving Systems of Equations: Substitution Graph the following equation
Transcript of 3.2 Solving Systems of Equations: Substitution Graph the ... · 3.2 Solving Systems of Equations:...
3.2 sub and eli D1andD2 .notebook
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3.2 Solving Systems of Equations: Substitution
Graph the following equation
3.2 sub and eli D1andD2 .notebook
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Substitution
3.2 Solving Systems of Equations: Substitution
Given a system of equations:
1. Pick an equation that would easily be solved for one of it's variables 1.
2. Solve the equation for that variable 2.
3. Substitute the variable into the other equation.
3.
4. Solve the resulting equation for the variable that's left
5. Use the value from 4. to find the other variable
4.
5.
6. Write your point!6.
3.2 sub and eli D1andD2 .notebook
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Solve using substitution
3.2 sub and eli D1andD2 .notebook
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Solve using Substitution
3.2 sub and eli D1andD2 .notebook
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August 31, 2017
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Solve using Substitution
3.2 sub and eli D1andD2 .notebook
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3.2 Day 2 Elimination (Next new page of notes)
Bell work
Solve using substitution
3.2 sub and eli D1andD2 .notebook
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ExampleSteps
1. Pick which variable's coefficients will be "easy" to make opposites
2. Make the variable you pick have opposite coefficients by using multiplication!
3. Add the two equations together
4. Solve the resulting equation from 3.
5. Find your other variable
6. Write your point!
1.
2.
3.
4.
3.2 Day 2 Elimination (Next new page of notes)
3.2 sub and eli D1andD2 .notebook
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Solve using Elimination
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August 31, 2017
Aug 2810:15 AM
Solve using Elimination
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Solve using Elimination
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3.2 sub and eli D1andD2 .notebook
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Homework:Solve the system using Elimination
Solve using either elimination or substitution
