4: Systems of Equations

U.Systems of linear equations

Click on the following links to see a summary video of what we learned in class!

4.1.1 Solving Word Problems by Writing Equations (day 1 up to 10:30)

4.1.2 One Equation or Two?

4.2.1 Solving Systems of Equations using Substitution

4.2.2 Making Connections: Systems, Solutions, and Graphs

4.2.3 Solving Systems Using Elimination

4.2.4 More Elimination

4.2.5 Choosing a Strategy for Solving Systems

4.3.1 Pulling it all Together

1. Is (x, y) a solution to the system of equations?

2. Solve a system of equations by graphing

3. Solve a system of equations by graphing: word problems

4. Find the number of solutions to a system of equations by graphing

5. Find the number of solutions to a system of equations

8 Solve a system of equations using substitution

10 Solve a system of equations using elimination

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