| A | B |
|---|
| Discriminant | the expression b^2-4ac where a,b, and c are coefficients of the quadratic equation. |
| Irrational Number | a number that cannot be written as the quotient of two numbers. |
| Parabola | the U-shaped graph of a quadratic function. |
| Quadratic Equation | an equation written in the form ax^2 + bx + c=0. |
| Quadratic Formula | the formula used to find the solutions of the quadratic equation. |
| Quadratic Inequalities | an inequality that can be written y<ax^2+bx+c. |
| Radical Expression | an expression with square root symbols. |
| Roots of a Quadratic Equation | the solutions of ax^2 + bx + c. |
| Square Root | if b^2=a, then b is this of a, written with a radical sign. |
| Vertex of a Parabola | the lowest point of a parabola that opens up or the highest point of a parabola that opens down. |
