The value of the constant at the proportional equation represented at the given graph is of 2.
What is a proportional relationship?
A proportional relationship is a function in which the output variable is given by the input variable multiplied by a constant of proportionality, that is:
y = kx
In which k is the constant of proportionality.
In this problem, considering the points on the graph, the constant is given by:
k = 10/5 = 6/3 = 4/2 = 1/0.5 = 2.
More can be learned about proportional equations at https://brainly.com/question/10424180
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