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Quadratic Vocabulary
Quadratic vocabulary
| Term | Definition |
|---|---|
| quadratic function | a second degree polynomial function where a, b, and c are real numbers |
| axis of symmetry | vertical line through the graph of a parabola that divides the graph into two mirror images |
| vertex | the point where the parabola changes direction |
| maximum/minimum value | the y-coordinate of the vertex of a quadratic function |
| quadratic equations | quadratic functions that are set equal to a value |
| roots | solutions of a quadratic equation |
| quadratic formula | a formula that can solve any quadratic equation |
| discriminant | the part of the quadratic formula that is under the square root sign (b^2-4ac) |
| quadratic term | the "ax^2" in a quadratic funtion |
| linear term | the "bx" in a quadratic function |
| constant term | the "c" in a quadratic function |
| parabola | the graph of a quadratic function |
| zeros | the x-intercepts of a parabola. |
| factored form | 0= a(x - p)(x - q) |
| imaginary unit i | defined to be the square root of -1 |
| complex number | when a real number and an imaginary number cannot be combined so the equation is left alone. example: 2+4i |
Created by:
adwiggins
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