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Algebra 2 Ch. 2 Vocb
The literary terms found in Ch 2 of Algebra II
| Question | Answer |
|---|---|
| Relation | A mapping, or pairing, of imput values with output values |
| Domain | The imput values in a relation |
| Range | The output values in a relation |
| Function | A relation that has exactly one output for each imput |
| Ordered Pairs | A representation of a relation where the x-coordinate is the first number and the y-coordinate is the second number |
| Coordinate Plane | A plane divided up into four quadrents with an x axis and a y axis where a relation can be plotted using ordered pairs |
| Equation | A representation of a function with two variables |
| Solution | Should bi in ordered pair form if the question is a true function |
| Independent Variable | In an equation, the imput value |
| Dependent Variable | In an equation, the output value |
| Graph | The visual representation of ordered pairs being put onto a coordinate plane |
| Linear Function | An equation that looks like: y=mx+b |
| Function Notation | An equation that looks like: f(x)=mx+b |
| Slope | A nonvertical line that has a ratio of vertical change (rise) to horizantal change (run) |
| Parallel | Two lines that never intersect |
| Perpendicular | Two lines that intersect and form a right angle |
| Y-intercept | A point on a line that crosses the y-axis |
| X-intercept | A point on a line that crosses the x-axis |
| Slope Intercept Form | An equation that looks like: y=mx+b |
| Standard Form | An equation that looks like: Ax+By=C |
| Direct Variation | Two variables x and y show direct variation provided y=kx where k is a nnonzero constant |
| Constant of Variation | The nonzero constant (usually denoted as k) in a direct variation equation (y=kx), an inverse equation (y=k/x), or a joint variation equation (z=kxy) |
| Scatter Plot | A graph used to determine wheather there is a relationship between pointed data |
| Positive Correlation | If y tends to increase as x increases on a scatter plot |
| Negative Correlation | If y tends to decrease as x increases on a scatter plot |
| Relatively No Correaltion | If the points on a scatter plot show no linear pattern |
| Linear Inequality with Two Variables | An inequality that can be written in one of the folowing forms: Ax+By<C, Ax+By≤C, Ax+By>C, Ax+By≥C |
| Solution to a Linear Inequaltiy with Two Variables | An ordered pair (x,y) that, when x and y are substatuted in the inequality, gives you a true statement |
| Graph of a Linear Inequality with Two Variables | The graph of all the solutions of the inequality |
| Half-Planes | The two reigions of a coordinate plane that are separated by the boundary line of an inequality. One reigon contains the points that are solutions of the inequality and the other reigon contains the points that are not |
| Piecewise Function | A function whose graph has a repeating pattern that continues indefinitely |
| Step Function | A piecewise function whose graph resembles a set of stair steps |
| Vertex of an Absolute Value Graph | The corner point of the graph of an absolute value function |
Created by:
aad624
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