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Orthogonal Trajectories

If the sign o...

Question

If the sign of 'a' is positive in a quadratic equation then its graph should be

A

parabola open upwards

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B

parabola open downwards

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C

parabola open leftwards

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D

can't be determined

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Solution

The correct option is A parabola open upwards
Clearly, 'a' i.e. coefficient is positive in this figure.
and graph is upward parabola.
Option A is correct.

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