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1. Direct variation A. Write an equation for the following statements. B. Write an equation when y varies directly as x.

Question

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## Answers ( No )

(1) y = 7x , (2) y = 11x , (3) y = 9x , (4) y = 28x

given y varies directly as x then y = kx ( k is the constant of variation )

(1) find k using the given conditions k = = = 7

equation is y = 7x

(2) k = = 11

equation is y = 11x

(3) k = = 9

equation is y = 9x

(4) k = = 28

equation is y = 28x