If you take any pair of variables in the table, their ratio is a constant.
Divide any number in the second set by the corresponding number in the first set.
Do all linear graphs have proportional relationship
rational number
Either a straight line through the origin or a hyperbola.
They are straight lines through the origin and their gradient is the constant of proportionality.
For proportional relationships the ratio is a constant.
Divide any number in the second set by the corresponding number in the first set.
how to tell if a table s proportional or non proportional
Do all linear graphs have proportional relationship
They aren't.
a proportional relationship means that it is contributed equally into other parts or quantities
9
Directly proportional
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pyramid
rational number
If the ratio between each pair of values is the same then the relationship is proportional. If even one of the ratios is different then it is not proportional.