Question

Determine whether y varies directly with x, if so find the constant of variation

Answer 1

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Yes, y varies directly with x,

constant of variation :

• $\dfrac{3 - 2}{ - 9 - ( - 6)}$

• $\dfrac{1}{ - 3}$

• $- \dfrac{ 1}{3}$

Equation will be :

• $y = - \dfrac{ 1}{3} x$

so, the Correct choice is b