Discriminant of a second degree polynomial with integer coefficients cannot be<spanclass=′latex−bold′>(A)</span> 23<spanclass=′latex−bold′>(B)</span> 24<spanclass=′latex−bold′>(C)</span> 25<spanclass=′latex−bold′>(D)</span> 28<spanclass=′latex−bold′>(E)</span> 33 algebrapolynomialquadratics