Whiteboii8 Whiteboii8
  • 20-07-2016
  • Mathematics
contestada

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

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caylus
caylus caylus
  • 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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