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# Algebra 2

### NoteCards

Term | Definition |
---|---|

Absolute Value Function | Function that has an algebraic expression in absolute value symbols. |

Dependent Variable | Variable that depends on another |

Direct Variation | Relationship between 2 variables that can be expressed by an equation in which one variable is equal to a constant times the other. |

Domain | Set of x-xoordinates |

Function | When every element is paired with exactly one element of the range |

Function Notation | Indicates that an equation is a function. |

Independent Variable | Variable that do not rely on another variable |

Linear Equation | Equation between two variables that gives a straight line when it's on a graph. |

Linear Function | Linear map. |

Linear Inequality | Inequality which involves a linear function |

Parallel Lines | Does not share a point are said to be parallel. |

Perpendicular Lines | Intersects |

Mapping Diagram | Shows how the elements are paired. |

Parent Function | Simplest function of a family of functions. |

Point-Slope Form | Y− y1 = m(x − x1) |

Range | Difference between the lowest and highest values. |

Reflection | Geometric figure is reflected across a line. |

Relation | Relation between two sets is a collection of ordered pairs containing one object from each set. |

Scatter Plot | Graph of plotted points that show the relationship between two sets of data. |

Shrink | Plane figure is distorted vertically. |

Slope | slope of a line is a # that describes both the direction and the steepness of the line. |

Slope-Intercept Form | Y=Mx+B |

Standard Form | Ax+By=C |

Stretch | Transformation by an invariant line and a scale factor (one-way stretch) or two invariant lines and corresponding scale factors (two-way stretch). |

Transformation | Original shape of the object is called the pre-image and the final shape and position of the object is the image. |

Trend Line | Line showing the general direction that a group of points seem to be heading. |

Vertex | Where 2 points meet. |

Vertical-Line Test | Visual way to determine if a curve is a graph of a function or not. |

X-Intercept | Crosses the x-axis |

Y-Intercept | Crosses the y-axis |

Created by:
ahmari66