Question

solution for quadratic equation by graphical method​

Answer 1

Graph of quadratic equation intersect x-axis at roots of this eqn.

there are 3 cases

(i) => graph intersect at 2 different position

then =>> it have 2 different roots(solutions)

(ii) => graph intersect at only one position

then =>> it have 2 equal roots(solutions)

(iii) => graph never intersect

then =>> it have no real root(solution)

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