1. A ________ ________ in x is an equation that can be written in the general form ax2 + bx + c = 0, where a, b, and c are real numbers with a ≠ 0.
2. A quadratic equation in x is also called a ________ ________ equation in x.
3. Four methods for solving quadratic equations are ________, extracting ________ ________,
________ the ________, and the ________ ________.
4. The part of the Quadratic Formula, b2 − 4ac, known as the ________, determines the number of real solutions of a quadratic equation.
5. The general equation that gives the height of an object that is falling is a ________ ________.
6. An important theorem that is sometimes used in applications that require solving quadratic equations is the ________ ________.