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Chapter 9. Quadratic Equations

In this chapter, you explore the quadratic equation. This equation is a polynomial of the second degree and generates a parabola. The standard form of the quadratic equation reads ax2 + bx + c. In the same way that you could change the shape and position of sets of lines used to graph absolute values, you can also change the shape and position of the parabolas you create using quadratic equations. You can make the parabola narrower or wider by changing the coefficient of the x variable. You translate the parabola along the x axis by interpreting x as xh, where h establishes the line of symmetry for the parabola. You can also shift the parabola up and down the y axis by using a value that corresponds to c in ...

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