match the terms to their definition. 1. an equation that can be written as ax2 + bx + c = 0, where "a" is not zero standard form 2. a function that can be written as y = ax2 + bx + c, where "a" is not zero quadratic equation 3. the form y = (x - h)2 + k of a quadratic equation with a = 1 quadratic function