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Question

What can be the shape of graph of y=2x2+bx+cb,cϵ R


A

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B

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C

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D

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Solution

The correct option is A


As a > 0, the graph of given quadratic expression must be upward (cup) shaped.

Note that if a < 0 in ax2 + bx + c, graph will look be a downward parabola(cap) shaped.


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