Mathematics - Class ...

Q1. Find the value of the polynomial 2x² + x + 3 at (i) x = 0 (ii) x = –1   (iii) x = 2

Q2. Find p(0), p(1) and p(2) for the polynomials p(x) = (x – 3) (x + 3)

Q3. Find the zero of the polynomial p(x) = 2x + 5.

Q1. Verify whether the following are zeroes of the polynomial,    indicated against them.

(i) f(x) = x² – 4, x = 1, –1

(ii) f(x) = (x + 3) (x – 2), x = – 1, 2

Q2. If x = 2 is a root of the polynomial f(x) = 3x² − 18x + 8a, find value of a.

Q3. If x = 2 and x = -3 are the roots of the polynomial f(x) = 2x³ + 3x²− ax – b, find the value of a and b.