Question

Under what condition one root of a quadratic equation is 0

Answer 1

Heyaa...
your answer is ___________

± If the discriminant of a quadratic function is equal to zero, that function has exactly one real root and crosses the x-axis at a single pont..
to see this use b2-4ac=0...
----------hope it helps...

Answer 2

Heyaa,

_________________________________

Here is your answer...

If the discriminant (d) of a quadratic function is equal to '0', That function has exactly one real root and crosses 'X' axis at a real point.
D= b^2- 4ac= 0

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