|
 x-intercept | the x-coordinate of the point where a graph intersects the x-axis |
| linear function | a function whose graph forms a straight line |
| linear equation | an equation that can be written in the form Ax+By=C, where A, B, and C are all real numbers, and A and B are not both zero |
| slope | a measure of steepness of a line |
| y-intercept | the y-coordinate of the point where a graph intersects the y-axis |
| constant of variation | the constant k in a direct variation equation |
| direct variation | a relationship between two variables, x and y, that can be written in the form y=kx, where k is a non zero constant |
| perpendicular lines | lines that intersect at 90 degree angles |
| parallel lines | lines in the same plane that do no intersect |
| rotation | a turn |
| reflection | a flip |
| family of functions | a set of functions whose graphs have basic characteristics in common |
| parent function | the most basic function of a family of functions, or the original function before a transformation is applied |
| translation | a slide |