Class 10 Mathematics

Polynomials

Exercise 2.1 (NCERT)

The graphs of y = p(x) are given below, for some polynomials p(x). Find the number of zeroes of p(x), in each case.

Question (i)

10 polynomials exercise solution

Answer: Number of zeroes = 0, since the line is not intersecting the x-axis


Question (ii)

10 polynomials exercise solution

Answer: Number of zeroes = 1, since the line intersects the x axis once.


Question (iii)

10 polynomials exercise solution

Answer: Number of zeroes = 2, since the line intersects the x axis twice.

Question (iv)

10 polynomials exercise solution

Answer: Number of zeroes = 2


Question (v)

10 polynomials exercise solution

Answer: Number of zeroes = 4

10 polynomials exercise solution

Answer: Number of zeroes = 2


NEXT

Exercise 2.2

Exercise 2.3