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Math starr
| Term | Definition | |
|---|---|---|
| Y-Intercept | The point where the graph crosses the Y-axis | (0,Y) (0,7) |
| Slope | The rate of change or steepness of a line | |
| Vertex | The lowest (Minimum) or Highest (Maximum)point of a parabola | |
| Line of symmetry | The line that passes through the vertex and divides the parabola in two symmetric parts | |
| Liner equations | An equation whose graph is a line | Y=mX+b |
| Quadratic equation | An equation whose graph is a parabola | |
| Domain | the set of all X's of a function | |
| Range | The set of all Y's of a finction | |
| Independent variable | The X variable of a function. (what we must know, what happens first) | |
| Dependent Variable | the Y variable of a function (the result) | |
| Variable | A letter used to represent one or more numbers | |
| Algebraic Expressuin | an expression that includes of least on variable | 8X r 2X-7 |
| Function | When the domain does not repeat | (7,5) (-7,5) (4,8) |
| Not a function | When the Domain does repeat | (7,5) (-7,5) (4,8) |
| Like terms | Terms that have the same variable | 7X2Y |
| X-intercept | The point where the graph crosses the X-axis | (X,0) (5,0) |