They aren't.
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For proportional relationships the ratio is a constant.
For each of the following relationships, graph the proportional relationship between the two quantities, write the equation representing the relationship, and describe how the unit rate, or slope is represented on the graph.
If the graph is a straight line through the origin, sloping upwards to the right, then it is a proportional linear relationship.
They are similar.
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For proportional relationships the ratio is a constant.
Similar shapes.
Proportional is when it is proportional.
Do all linear graphs have proportional relationship
Here is a quick definition: un-proportional is where two things cannot ever be equal or similar, for example 2 is proportional to 4, because if 2 is doubled it becomes 4, but 3 is not proportional to 5 because they can never be equal. I hope this helped
A linear relationship means that the slope of the line is proportional, which means that the line is straight. In contrast to the linear realtionship, the non-linear relationship's slope is not proportional and the line will curved and not straight. Formula of calculating the slope is the difference of y divided by the difference of x.
Similar triangles don't just have proportional angles, they have IDENTICAL angles!
a proportional relationship means that it is contributed equally into other parts or quantities
It is an expression, not an equation and so cannot be proportional nor non-proportional.
Directly proportional
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