1. Which of the following terms is described as "the ratio of two polynomial expression?" A. Linear Algebraic Expression B. Linear Algebraic Equation C. Rational Algebraic Expression D. Rational Algebraic Equation 2. In a rational algebraic expression written in the form of-, where P and Q are polynomials, the polynomial Q must not be equal to ? A-1 B.O C.1 D. 2 ​