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The table shows the coordinates of several points on the graph of a polynomial.


x y

-4 -7

-3 -5

-2 -2

-1 0

0 4

1 1

2 -3

3 -1

4 2



According to the table, which point is a root of this polynomial?

A(-1, 0)
B(0, 4)
C(2, -3)
D(-2, -2)

Verified Answer :

its a Because if you score this polynomial P, you have P (x) = y and the root of a polynomial is defined by P (x) = 0 and the only point satisfying this condition in your table is A (3.0)