Answer
For: $y=-\frac{1}{2}x -3$
Work Step by Step
Rewrite the equation in standard form.
$x + 2y +6 = 0$
Isolate $y$:
$2y=-x - 6$
Solve for $y$:
$y=-\frac{1}{2}x -3$
Plot the $y$ intercept at $y= -3$
Use the slope: $m = -\frac{1}{2}$ to plot the rest of the points.