The zero of the polynomial (x−5) occurs at x =
Verify that (i) 4 is a zero of the polynomial, p(x) = x - 4. (ii) -3 is a zero of the polynomial, q (x) = x + 3. (iii) 25 is a zero of the polynomial, f(x)=2−5x (iv) −12 is a zero of the polynomial, g(y) = 2y + 1.