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How can you use a table of values, an equation, and a graph to determine whether a function is a proportional relationship?

 Apr 17, 2020
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It will be a proportional relationship if:

1)  table of values:  use the slope formula -- if the slope between any two points remains the same.

2)  an equation:  if its a linear equation.

3)  a graph:  if the graph is any straight line that isn't either vertical or horizontal.

 Apr 17, 2020

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