Constant of proportionality from a graph point with fractions
The line goes through the origin, so divide the point's y by its x.
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The graph of a proportional relationship is a straight line through (0, 0) and (12, 102). What is the constant of proportionality?
Answer: 17/2
The graph of a proportional relationship is a straight line through (0, 0) and (16, 120). What is the constant of proportionality?
Answer: 15/2
The graph of a proportional relationship is a straight line through (0, 0) and (18, 162). What is the constant of proportionality?
Answer: 9
Tip: The line goes through the origin, so divide the point's y by its x.
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