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Question

The graph of y=p(x) is given below. The number of zeroes of p(x) are:
83469_e2d2c2e052ac48ac9536ab7892899ae4.png

A
0
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B
3
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C
2
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D
4
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Solution

The correct option is C: 2

For any quadratic polynomial, i.e., the zeroes of a quadratic polynomial ax2+bx+c, a0, are precisely the x-coordinates of the points where the parabola representing y=ax2+bx+c intersects the x-axis.

The x-coordinates of two points suppose A and A′ are the two zeroes of the quadratic polynomial ax2+bx+c



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