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Polynomials in Real Life

Polynomials are everywhere. It is found in a roller coaster of an amusement park, the slope of a hill, the curve of a bridge or the continuity of a mountain range. They play a key role in the study of algebra, in analysis and on the whole many mathematical problems involving them.

Based on the given information, answer the following question:

If the path traced by the Roller Coaster is represented by the above graph y=p(x) , find its zeroes?


A

-1, 1, 4

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B
-2, -1, 2
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C
-1, 1, 2
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D
-2, 1, 4
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Solution

The correct option is A

-1, 1, 4


We know that the points where the graph y=p(x) cuts/touches the x-axis are known as the zeroes of the polynomial.

The given graph exactly cuts the x-axis at -1, 1, and 4.

Therefore, option (a) is the correct answer.


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