An inequality of degree two and can be written inax² + bx +c>0, ax²+bx+c<0,ax²+bc+c≤0,where a,b,and c are all real numbers and a ≠ 0. ( A.) (Linear Inequality. ) (B.)(Quadratic Inequality) (C.)(System of Inequality) (D.) (Quadratic Equation)​