| A | B |
|---|
| matrix | a method of shaping data rectangularly |
| element | an object in a matrix |
| dimensions | the way of describing a matrix in terms of m rows and n columns. |
| transformation | "a one-to-one correspondence between the points of a preimage and an image." |
| preimage | a figure before it is transformed |
| image | a figure after it has been transformed |
| magnitude | the rate at which points are increased in a size change |
| reflecting line | the line over which points are reflected |
| closure | the property of two 2x2 matrices producing another 2x2 matrix. |
| associativity | two 2x2 matrices can be multiplied either way to produce the same matrix. |
| matrix for 90 degree angle rotation. | [0 -1] [1 0] |
| the multiplied slopes of perpendicular lines | -1 |
| translation | the sliding of point(s) |
| rotation | the turning of x. |
| reflection | the flipping, or mirroring, of x over a reflecting line. |
| size change | the increasing or decreasing of a shape under a transformation |
| scale change | the stretching or skewing of a shape under a transformation. |
| identity transformation | [1 0]: [0 1] |
