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algebra vocab moodle
the vocab for moodle
| Question | Answer |
|---|---|
| quadrants | four regions on a coordinate plane |
| coordinate plane | the plane containing the x and y axes |
| x-axis | the horizontal number line |
| y-axis | the vertical number line |
| axes | two perpendicular number lines that are used to locate points on a coordinate plane |
| origin | the point of intersection of the two axes in the coordinate plane |
| x-coordinate | the first number in an ordered pair |
| y-coordinate | the second number in an ordered pair |
| graph | to draw, or plot, the points named by certain numbers or ordered pairs on a number line or coordinate plane, respectively |
| relation | any pairing of a set of inputs with a set of outputs |
| domain | the set of all inputs of a function |
| range | the set of all outputs of a function |
| mapping | pairs one element in the domain with one element in the range |
| independent variable | input variable of a function |
| dependent variable | the output variable of a function |
| linear equation | an equation whose graph is a line |
| function | a domain, range, inputs, outputs, pairs of inputs and outputs. |
| vertical line test | if any vertical line passes through no more than one point of the graph of a relation |
| functional notation | f(x) f of x, function naming |
| linear inequality in two variables | an inequality that results from replacing the equals sign with greater than, greater than or equal to, less than, or less than or equal to |
| graph of an inequality in two variables | in a coordinate plane, the set of points that represent all solutions of the inequality |
| half-plane | in a coordinate plane, the region on either side of a boundary line |
| boundary | a line that separates the coordinate plane into half-plane |