Whiteboii8 Whiteboii8

20-07-2016
Mathematics

contestada

b2 - 4ac > -1 means the root is real. true or false??

Respuesta :

20-07-2016

Hello,
For quadratic equation the discriminant must be >=0 in order to have real roots.

That's FALSE. Imagine b²-4ac=-0.5

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