CBSE Class 10-Mathematics: Chapter – 2 Polynomials Part 1 (For CBSE, ICSE, IAS, NET, NRA 2022)

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1 Mark Questions

Question 1:

The graphs of are given to us, for some polynomials . Find the number of zeroes of , in each case.

(i)

Que-1- (I) -Polynomials

(ii)

Que-1- (II) -Polynomials

(iii)

Que-1- (III) -Polynomials

(iv)

Que-1- (V) -Polynomials

(v)

Que-1- (V) -Polynomials

(vi)

Que-1- (VI) -Polynomials

Answer:

(i) The graph does not meet x-axis at all. Hence, it does not have any zero.

(ii) Graph meets x-axis time. It means this polynomial has zero.

(iii) Graph meets x-axis times. Therefore, it has zeroes.

(iv) Graph meets x-axis times. Therefore, it has zeroes.

(v) Graph meets x-axis times. It means it has zeroes.

(vi) Graph meets x-axis 3 times. It means it has 3 zeroes

Question 2:

Which of the following is polynomial?

(a)

(b)

(c)

(d) None of these

Answer:

(d) None of these

Question 3:

Polynomial is a

(a) Linear polynomial

(b) Quadratic polynomial

(c) Cubic polynomial

(d) Bi-quadratic polynomial

Answer:

(d) Bi-quadratic polynomial

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