how do you solve quadratic functions by graphing ?

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how do you solve quadratic functions by graphing ?

Guest May 5, 2014

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Best Answer

+118724

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Say you graph $$y=ax^2+bx+c$$ (it is a parabola)

The equation of the x axis is y=0

So the solution to $$0=ax^2+bx+c$$

is where the graph crosses the x axis.

Understand?

Melody May 6, 2014

2⁺⁰ Answers

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Is it in standard form?

Guest May 5, 2014

+118724

+5

Best Answer

Say you graph $$y=ax^2+bx+c$$ (it is a parabola)

The equation of the x axis is y=0

So the solution to $$0=ax^2+bx+c$$

is where the graph crosses the x axis.

Understand?

Melody May 6, 2014

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