Question

Which ordered pair would form a proportional relationship with the point graphed below?

On a coordinate plane, point (negative 20, 40) is plotted.
(–40, 20)
(–10, –20)
(15, –30)
(5, –15)

Answer 1

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From the given graph it is clear that there is proportional relationship with the point (-20,40). Substitute x=-20 and y=40 in the above equation to find the value of k. ... Only point (15,-30) would form a proportional relationship with the (-20,40).