Find the constant of variation k for the inverse variation. Then choose the correct equation for the inverse variation. y = 4.5 when x = 3

Question

Mathematics

Koen

18 May, 00:45

Find the constant of variation k for the inverse variation. Then choose the correct equation for the inverse variation. y = 4.5 when x = 3

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Billy Rose · Answer 1

For inverse variation, as one variable (x) increases, (y) decreases, so the equation that models this is

k=xy

substituting the values, we get

k = (3) (4.5), k = 13.5

so the general equation is xy=13.5