To find the constant of proportionality for this graph, we can calculate the ratio of the change in the length of stretch (mm) to the corresponding change in the input value (X).
From the graph, we can see that the length of stretch decreases by 14 mm for every 2 units increase in X.
So, the constant of proportionality is 14 mm/2 = 7 mm per unit.
Using the points shown in the graph, identify the constant of proportionality for this graph length of stretch (mm)
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70-
56-
42-
28-
14-
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1 answer