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how to use the quadratic formula on a graphing calculator

Sagot :

Laykenedenfield

Answer:

go to y= and type in the equation then  press 2nd trace  and then press  2 on the left side of the parabola find a point to the left of the x intercept and press enter then find a point to the right of the x intercept  and press enter. then press enter when it ask you to guess  and you have your answer

Step-by-step explanation:

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