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Helfrich Alg2 Ch2
Vocabulary in chapter 2
| Term | Definition |
|---|---|
| absolute value function | A function of the form f(x) = l mx +b l + c, where m not equal to 0. |
| dependent variable | In the order pair (x,y), y is this type of variable because y depends |
| domain | In a relation is the set of all inputs, or x-coordinates of the ordered pairs |
| translation | Shifts the graph horizontally, vertically, or both. It results in a graph of the same shape and size but possibly in a different position. |
| standard form | A linear equation in the form of Ax + By = C, where A B, and C are real numbers, and A and B are not both Zero. |
| x-intercept | Is where the line crosses the x-axis |
| slope-intercept form | If the form of a line written as y = mx + b |
| slope | Is the ratio of the vertical change to a corresponding horizontal change. |
| vertical line test | Is used to determine whether the relation is a function when looking at a graph. |
| point-slope form | Is the form of a line written as y-y1 = m(x - x1) |
| linear inequality | In two variables it has a graph in which the boundary line separates the shaded region from the un-shaded region. |
| function | Is a relation in which each element of the domain is paired with exactly one element in the range. |
| perpendicular lines | The lines have opposite reciprocal slopes |
| parallel lines | The lines have the same slope but different y-intercepts |
| relation | Is a set of pairs of input and output values and is written as a set of ordered pairs |
| y-intercept | Is where the line crosses the y-axis |
| range | is the set of all the outputs, or y-coordinates of the ordered pairs |
| linear equation | Is an equation that can be written in the form y = mx + b or y=y1 = m(x-x1) or Ax + By = C |
Created by:
mhelfrich
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