Chapter 3 - Pre-Calculus Vocabulary
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Created by:
poppysimpson on June 16, 2011
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18 terms
Terms | Definitions |
|---|---|
 point symmetry | a specific type of rotational symmetry when a figure rotates onto itself after a rotation of exactly 180º |
| line symmetry | a line that divides a figure into two halves that are mirror images of each other |
| even function | graph is symmetrical with respect to the y-axis; f(x) = f(-x) |
| odd function | graph is symmetrical with respect to the origin; f(-x)=-f(x) |
| inverse function | A relation formed by reversing x and y in a function. |
| horizontal line test | If any horizontal line only crosses at a graph at most once, it has an inverse function. |
| infinite discontinuity | A graph that has discontinuity where there are plural asymptotes involved |
| jump discontinuity | A graph that has discontinuity where the function moves to a different y-value and then continues. It cannot be filled in with just a point |
| point discontinuity | A point where the function is not continuous. |
| end behavior | the behavior of the graph of a function as x approaches positive infinity or negative infinity |
| absolute maximum | a point that represents the maximum value a function assumes over its domain |
| absolute minimum | the smallest y-value of the function |
| relative maximum | point when the graph goes from increasing to decreasing |
| relative minimum | point when the graph goes form decreasing to increasing |
| asymptote | a line that a graph approaches but never crosses |
| direct variation | y=kx |
| inverse variation | y=k/x or xy=k |
| joint variation | y=kxz, y varies jointly with x and z |
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