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A ratio that compares two quantities of different units
(e.g. miles per hour) |
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| The ratio of change in the y-axis to each unit change in the x-axis in the form rise/run or Δy/Δx |
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An algebraic equation in which the variable quantity or quantities are in the first power only and the graph is a straight line.
y = mx + b |
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| Two lines in the same plane that are a constant distance apart. Parallel lines never meet and have equal slopes. |
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| Two lines, two line segments, or two planes that cross to form a right angle. Slopes are opposite reciprocals. |
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| A mathematical sentence stating that two rations are equal. |
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| The value of x at the point where a line or graph intersects the x-axis. The value of y is zero at this point. |
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| The value at the point where a line or graph intersects the y-axis. The value of x is zero at this point. |
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| A graph in the coordinate plane representing a set of bivariate data. For example, the heights and weights of a group of people could be displayed on a scatter plot. |
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| Linear Regression / Trend Line |
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| A line on a graph that shows a trend between data points. |
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