Zero of a Polynomial

Zeroes of the polynomials are the x coordinates of the point where the graph of that polynomial intersects the x-axis.

If the value of p(y) at y = k is 0, that is p (k) = 0 then y = k will be the zero of that polynomial p(y).

For example, consider a polynomialp(x) = {x^2} - 3x + 2.
When x=1, the value of p(x) will be equal to

\begin{array}{l}(1) = 12 - 3 \times 1 + 2\\ = 1 - 3 + 2\\ = 0\end{array}

Since p(x) =0 at x=1, we say that 1 is a zero of the polynomial {x^2} - 3x + 2

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