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NoteCards

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Absolute Value Function   Function that has an algebraic expression in absolute value symbols.  
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Dependent Variable   Variable that depends on another  
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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.  
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Domain   Set of x-xoordinates  
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Function   When every element is paired with exactly one element of the range  
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Function Notation   Indicates that an equation is a function.  
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Independent Variable   Variable that do not rely on another variable  
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Linear Equation   Equation between two variables that gives a straight line when it's on a graph.  
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Linear Function   Linear map.  
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Linear Inequality   Inequality which involves a linear function  
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Parallel Lines   Does not share a point are said to be parallel.  
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Perpendicular Lines   Intersects  
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Mapping Diagram   Shows how the elements are paired.  
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Parent Function   Simplest function of a family of functions.  
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Point-Slope Form   Y− y1 = m(x − x1)  
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Range   Difference between the lowest and highest values.  
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Reflection   Geometric figure is reflected across a line.  
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Relation   Relation between two sets is a collection of ordered pairs containing one object from each set.  
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Scatter Plot   Graph of plotted points that show the relationship between two sets of data.  
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Shrink   Plane figure is distorted vertically.  
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Slope   slope of a line is a # that describes both the direction and the steepness of the line.  
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Slope-Intercept Form   Y=Mx+B  
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Standard Form   Ax+By=C  
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Stretch   Transformation by an invariant line and a scale factor (one-way stretch) or two invariant lines and corresponding scale factors (two-way stretch).  
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Transformation   Original shape of the object is called the pre-image and the final shape and position of the object is the image.  
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Trend Line   Line showing the general direction that a group of points seem to be heading.  
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Vertex   Where 2 points meet.  
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Vertical-Line Test   Visual way to determine if a curve is a graph of a function or not.  
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X-Intercept   Crosses the x-axis  
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Y-Intercept   Crosses the y-axis  
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