ALGEBRA GLOSSARY
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| Title | Description | |
|---|---|---|
| Abscissa | The horizontal axis, or the first coordinate in an ordered pair. |  |
| Absolute Maximum | The highest point on a graph, especially over a specified domain. It is the greatest value of f(x) over a defined interval of x, provided y=f(x). | |
| Absolute Minimum | The lowest point on a graph, especially over a specified domain. It is the least value of f(x) over a defined interval of x, provided y=f(x). | |
| Absolute Value | The distance on the real number line between an value and zero. It applies best to things for which negative values have no meaning, such as mass or length. | |
| Accuracy | The quality of approaching an exact value. Distinct from precision, accuracy means to approach correctness, to tend toward an established value. | |
| Additive Inverse for Matrices | Mr. X takes the mystery out of Additive Inverse for Matrices, a matrix when added to another equals the Zero Matrix. Subscribe to my youtube channel for more instructional math videos. | |
| Algebra | The branch of mathematics that allows manipulation of symbols and values to determine quantities that are not always fixed. Variables are essential to algebra. | |
| Algorithm | A sequence of steps to accomplish a familiar task; a recipe. | |
| Alpha | The first letter of the Greek alphabet. | |
| Alternating Series | A series in which successive terms have opposite signs. Every other term is positive; every other term is negative. | |
| Argument of a Function | The term or expression upon which a function operates. In y=f(x), the argument of the function is x. | |
| Argument of a Vector | The angle at which a vector is directed. | |
| Arithmetic Mean | What we generally consider to be the average. The sum of a set of values divided by the cardinal number of the set of values. | |
| Arithmetic Progression | Also Arithmetic Sequence. A series of terms where successive terms are obtained by addition of a constant. | |
| Arithmetic Sequence | Also Arithmetic Sequence. A series of terms where successive terms are obtained by addition of a constant. | |
| Arithmetic Series | Akin to Arithmetic Progressions and Arithmetic Sequences, the series typically reflects an addition operator between terms, as a sum. | |
| Asymptote | A line (or curve) that a function approaches without actually reaching the line as the domain either grows unbounded or approaches a limit. | |
| Augmented Matrix | A matrix form for a linear system of equations where the number of columns is one greater than the number of rows, the final column typically coming from the constants in the linear equations. | |
| Average | Most commonly, average means the arithmetic mean; we sum the values and divide that sum by the number of numbers. The average between two real values is the midpoint between those values. | |
| Average Rate of Change | The change in value divided by elapsed time. | |
| Axes | Most simply, the plural of axis. More generally, the horizontal x-axis and the vertical y-axis that comprise the skeleton of Cartesian Coordinates. | |
| Axiom | Accepted without proof (unlike a theorem), an axiom is readily understood and regarded as fact. | |
| Axis | In physics, a line about which a body rotates. In mathematics, a line that divides a plane or space into two equal halves, typically demarcated in units. | |
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