When a quadratic equation has a repeated solution?

asked Dec 14, 2018 4.0k views

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hello :
the discriminat of each quadratic equation : ax²+bx+c=0 ....(a ≠ 0) is :
Δ = b² -4ac

if: Δ = 0 : : x1 =x2 = -b/2a (has a repeated solution)

Woryzower answered Dec 19, 2018

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