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### Solving Quadratic Systems

In a linear-quadratic system, use substitution to solve.

In a quadratic-quadratic system, use elimination to solve.

When graphing inequalities, remember the conventions about graphing boundaries using either solid or dotted lines.

If possible, check your solutions to systems of equations by graphing.

### Solving Quadratic Systems

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

- Intro 0:00
- Linear Quadratic Systems 0:04
- Example
- Solutions 3:13
- Quadratic Quadratic System 3:36
- Example: Elimination
- Solutions 7:34
- Systems of Quadratic Inequalities 7:55
- Example
- Lecture Example 1 11:10
- Lecture Example 2 16:12
- Additional Example 3
- Additional Example 4

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