| Term | Definition |
|---|
| Rational Number | Any number that can be represented as a ratio of two integers. |
| Irrational Number | Any number that cannot be represented as a ratio of two integers. |
| Relation | Any set of ordered pairs. |
| Function | A function is a relation where every element in the domain is paired with one and only one element in the range. The domain is a set of all first elements and the range is a set of all second elements. |
| Matrix | Any rectangular array of numbers enclosed by brackets. |
| Absolute Value | The distance a number is from zero. |
| Parabola | A set of points on a plane that are equal distance from a point called the focus and a line called the directrix. |
| Latin Translation of "I think therefore I am." | Cogito ergo sum. |
| Logarithms | Exponents. |
| e | As n approaches positive infinity, (1+1/n)^n approaches e approximately 2.718281828. |
| Pythagorean Theorum | In a right triangle, the square of the hypotenuse is equal to the sum of the squares of its two legs. |
| Ellipse | A set of all points "P" on a plane such that the sum of the distances between P and two fixed points, called the foci, is constant. |
| Hyperbola | A set of all points "P" on a plane such that the difference of the distances between P and two fixed points, called the foci, is constant. |
| Circle | A set of points "P" that are a given distance from a given point. The given distance is the radius and the given point is the center. |
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