jcarlos4567 jcarlos4567
  • 01-06-2017
  • Mathematics
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find the discriminat of each quadratic equation then state the number and type of solutions

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ghanami
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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