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The x-intercepts of the parabola y = x^2 + bx + c are (-3,0) and (5,0). Find the equation of the parabola, and submit your answer in y = ax^2 + bx + c form.

 Feb 7, 2019
 #1
avatar+98129 
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Since the x intercepts are (-3, 0) and (5, 0).....this must mean that  (x +3) (x - 5) = 0

 

Expanding....we have that

 

x^2 - 2x - 15 =    0

 

 

cool cool cool

 Feb 7, 2019

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