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Question

What is the maximum number of times the graph of the polynomial y=px3+qx2+rx+s can intersect the x axis?

A
1
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B
2
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C
4
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D
3
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Solution

The correct option is D 3
The graph of a polynomial of degree ‘n’ can cut the x-axis at most at ‘n’ values.
Since the given polynomial has a degree 3, it can cut the x axis at most 3 times.

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