| A | B |
| Completing the Square | a process in which you write an expression of the form of x^2 +bx as a square of a binomial |
| Complex Number | a number a + bi where a and b are real numbers and i is the imaginary unit |
| Discriminant | the expression b^2 - 4ac for the quadratic equation ax^2 + bx + c. |
| Factoring | a process used to write a polynomial as a product of other polynomials having equal or lesser degree |
| Parabola | the set of all points equidistant from a point called the focus and a line called a directrix. The graph of a quadratic function ax^2 + bx + c. |
| Quadratic Equation | an equation that can be written in the form ax^2 + bx + c |
| Quadratic Formula | a formula that gives the solutions of any quadratic equation. (-b +/- sqrt b^2 - 4ac)/2a |
| Quadratic Inequality | an inequality of the form ax^2 + bx + c < 0 |
| Rationalizing the Denominator | the process of eliminating a radical in the denominator of a fraction by multiplying both the numerator and the denominator by an appropriate radical. |
| Zero of a Function | a number k is this of a function f if f(x) = 0 |