jcarlos4567 jcarlos4567

01-06-2017
Mathematics

contestada

find the discriminat of each quadratic equation then state the number and type of solutions

Respuesta :

ghanami ghanami

01-06-2017

hello :
the discriminat of each quadratic equation : ax²+bx+c=0 ....(a ≠ 0) is :
Δ = b² -4ac
1 ) Δ > 0 the equation has two reals solutions : x = (-b±√Δ)/2a
2 ) Δ = 0 : one solution : x = -b/2a
3 ) Δ < 0 : no reals solutions

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