A discrete mathematics problem by Ricardo Luiz Motta

The independent term "c" of the equation \(x ^ 2-3x + c = 0\) is chosen randomly among elements \( \{ -1,0,1,2,3 \} \). What is the probability that the equation has real roots?


O termo independente "c" da equação x^2-3x+c=0.É escolhido aleatoriamente entre os elementos de {-1,0,1,2,3}.Qual é a probabilidade de essa equação vir a ter raízes reais?

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