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8 Cards in this Set
- Front
- Back
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Horizontal Axis
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The "left-right" or "west-east" measurement line on a graph or grid.
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Vertical Axis
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The "up-down" or "north-south" measurement line on a graph or grid.
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Direct Relationship
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The relationship between two variables that change in teh same direction, for example, product price and quantity supplied; positive relationship.
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Inverse Relationship
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The relationship between two variables that change in opposite directions, for example, product price and quantity demanded; negative relationship.
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Independent Variable
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The variable causing a change in some other (dependent) variable.
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Dependent Variable
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A variable that changes as a consequence of a change in some other (independent) variable; the "effect" or outcome.
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Slope of a Straight Line
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The ratio of the vertical change (the rise or fall) to the horizontal change (the run) between any two points on a line. The slope of an upward-sloping line is positive, reflecting a direct relationship between two variables; the slope of a downward-sloping line is negative, reflecting and inverse relationship between two variables.
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Vertical Intercept
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The point at which a line meets the vertical axis of a graph.
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