Y and x have a proportional relationship, and y = 9 when x = 2. What is the value of y when x = 3?
2 answers:
Correct formula is y = kx, where k is the "constant of proportionality."
If y = 9 when x = 2, then 9 = k(2), or k = 9/2.
Then y = (9/2)x.
If x = 3, y = (9/2)(3) = 27/2 (answer)
Lol the answer is 27/2
k12 right
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