Two mark example problems - II — task. Mathematics State Board, Class 9.

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1. Find the roots of the following polynomial equations.

(Note: Insert negative sign if necessary in the numerator itself.)

2. Check whether

$-3$ and

$3$ are zeros of the polynomial

$x^2 - 9$ .

Answer:

Let

$f(x) = x^2 - 9$ .

$f(-3) =$

$f(3) =$

Therefore,

$-3$ and

$3$ are

$x^2 - 9$ .

Did you find an error?

3. Two mark example problems - II