# Concepts of Quadratic Equations

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1. What is a quadratic equation?

2. Explain why the 'zero product rule' makes sense.

3. Why is factoring used to solve quadratic equations?

4. Some equations have a higher degree than 2. How are they solved?

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##### Solution Summary

This posting contains the answers regarding the concepts of quadratic equations.

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Here are the answers and the explanations:

1. A quadratic equation is an equation with a degree of 2, meaning the highest exponent of the variable is 2. A quadratic equation is a parabolic function.

2. The zero product rule makes ...

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