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Question

For a Quadratic equation ax2+bx+c=0 where a, b and c are real. which of the following option is/are correct ?

A
It equation can have more than two roots.
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B
It can have one real root and one imaginary root.
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C
Both the roots of this quadratic equation can't be irrational together.
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D
It represents a parabola over x-y plane.
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Solution

The correct option is D It represents a parabola over x-y plane.
Given it is a quadratic equation in which its all coefficients are real

Coefficients are real, but we can't say that the roots are real or imaginary because it depends on descriminant (b24ac)

We can just say it is a parabola over x-y axis

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