(y2-y1)/(x2-x1)
y=mx+b
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slope = change in y values divided by change in x values. m = (y2-y1)/ (x2-x1) pick 2 ordered pairs from the table and use the formula above.
you create ordered pairs or a serious of (x,y) points on the graph which you can plot and connect with a straight line
None of "these" pairs.
If a set of ordered pairs is not a relation, the set can still be a function.
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