2. Find the values of the discriminant for thefollowing quadratic equa – InterviewSolution

1.

2. Find the values of the discriminant for thefollowing quadratic equations :(1) x2 + 7x-1=0.

Answer»

For quadratic equation ax^2 + bx + c = 0.Discriminant is b^2 - 4ac

Therefore,For equation x^2 + 7x - 1 = 0Discriminant = (7)^2 - 4*1*-1= 49 - (-4)= 49 + 4 = 53

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