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Find the sum of all integral values of c with c <= 25 for which the equation y = x^2 - 17x - c has two rational roots.

 Aug 9, 2022
 #1
avatar+248 
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In order for a quadratic equation to have two rational roots, the discriminant has to be greater than 0. Can you find some restrictions for c from here and solve it?

 Aug 9, 2022
 #2
avatar+84 
+4

i suddenly understand how to do the problem... thanks

WorldEndSymphony  Aug 9, 2022

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