Answer
$y=\frac{1}{2}x$
Work Step by Step
Use the point-slope form $y-y_1=m(x-x_1)$ to solve this problem.
Slope $=\frac{1}{2}$, passing through the origin $(0,0)$
$y+0=\frac{1}{2}(x+0)$
$y=\frac{1}{2}x$
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