Which equation has a constant of proportionality equal to 9? A) 3y = 3x B) y = 9x C) y = 3x D) 9y = 2x

asked Apr 21, 2019 47.2k views

1 vote

Which equation has a constant of proportionality equal to 9?

A) 3y = 3x

B) y = 9x

C) y = 3x

D) 9y = 2x

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5 votes

let y directly proportional to X
thus y = CX
where c is proportionality constant
given c= 9
thus y = 9x

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