Determine whether the values given against the quadraticequationarethe – InterviewSolution

1.

Determine whether the values given against the quadraticequationarethenousof the equation.x2 + 4x _ 5 = 0, x=1,-1.2 ond the

Answer»

If 1 and - 1 are roots of equation x^2 + 4x - 5 = 0

Sum of roots = - b/a = - 4/1 = - 4Verify = - 1 + 1 = 0

Therefore,-1 and 1 are not roots of given equation

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