3 years ago

When a quadratic equation has a repeated solution?

1 answer:

5 0

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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