Which of the following is a polynomial '? Find its zeroes.(i) x2 ++ 2 (ii) x + (iii) 4 —x2

Q7 of 168 Page 7

Which of the following is a polynomial '? Find its zeroes.
(i) x² ++ 2 (ii) x + (iii) 4 —x²

In the above expressions, only the thirdone has the positive power unlike others.

∴ It is the only polynomial.

Equating the expression with 0,

x² = 16

∴ x = ±4

The zeroes of the polynomial are 4 & -4.

Which of the following is a polynomial? Find its degree and the zeroes.

2 - x²

Which of the following is a polynomial? Find its degree and the zeroes.

x +

Which of the following expressions is a polynomial? Find the degree and zeroes of the polynomial.

(i) (ii) x² +2x

Which among the expressions 1-z² and z² + z + 1 is a polynomial in z? Find its zeroes and degree.