Answer:
Step-by-step explanation:
The graph of a proportional relationship is a straight line through the origin. That is, its y-intercept is zero. Its equation is y=mx.
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For a non-proportional linear relationship, ...
In a table, for an ordered pair (0, y), y will not be 0.
From a graph, the y-intercept will not be 0.
In the equation y = mx+b, b will not be 0.
