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A graph which comes out as a straight line. This is usually in the form y = mx + b where b is the y co-ordinate where the line crosses the y-axis, and m is the gradient (rise divided by run/height divided by length).

A graph of this type will always be going up (as in /) as it has positive gradient (thusly, one of negative gradient will be going downwards (\ so to speak).

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14y ago

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