Ncert Solutions for class 10​ Polynomials

Ncert Solutions for Class 10

Polynomials

• Exercise 2.1
• Exercise 2.2

Polynomials

Exercise 2.1

1. The graphs of y = p(x) are given in Fig. 2.10 below, for some polynomials p(x). Find the number of zeroes of p(x), in each case.

Polynomials

Exercise 2.2

1. Find the zeroes of the following quadratic  polynomials and verify the relationship between the zeroes and the coefficients.

(i) x² – 2x – 8       

(ii) 4s² – 4s + 1                         

(iii) 6x² – 3 – 7x

(iv) 4u² + 8u                             

(v) t² – 15                                 

(vi) 3x² – x – 4

2. Find a quadratic polynomial each with the given numbers as the sum and product of its zeroes respectively.

(i) (1over4), 1           

(ii) (sqrt{2}),(1 over 3)   

(iii) 0, (sqrt{5})

(iv) 1, 1   

(v) (-1 over 4),(1 over 4) 

(vi) 4, 1