kimbrachantel4821 kimbrachantel4821

29-06-2017
Mathematics

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When a quadratic equation has a repeated solution?

Respuesta :

ghanami ghanami

06-07-2017

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)

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