Practice Page 1
Q1. Find the value of the polynomial 2x2 + x + 3 at (i) x = 0 (ii) x = –1 (iii) x = 2 |
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Q2. Find p(0), p(1) and p(2) for the polynomials p(x) = (x – 3) (x + 3) |
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Q3. Find the zero of the polynomial p(x) = 2x + 5. |
Practice Page 2
Q1. Verify whether the following are zeroes of the polynomial, indicated against them. |
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(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. |
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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. |