Suppose that y varles directly with x,and y=4 when x=16 (a) Write a direct variation equation that relates x and y Equation: square (b) Find y when x=3 y= square

(a) Write a direct variation equation that relates x and y<br />Equation: $y = \frac{1}{4}x$<br /><br />(b) Find y when $x=3$<br />$y = \frac{1}{4} \cdot 3 = \frac{3}{4}$