Use the information provided to answer Part A and Part B for question 2. Let a represent a non-zero rational number and let b represent an irrational number. 2. Part A Which expression could represent a rational number? A. -b B. a+b C. ab D. b² Part B Consider a quadratic equation with integer coefficients and two distinct zeros. If one zero is irrational, which statement is true about the other zero? A. The other zero must be rational. B. The other zero must be irrational. C. The other zero can be either rational or irrational. D. The other zero must be non-real.