Question 811046
The first thing you want to do is solve the equation for y so it is in slope-intercept form.
{{{x+2y=10}}}
{{{x+2y-x=10-x}}}
{{{2y=-x+10}}}
{{{(2y)/2=(-x+10)/2}}}
{{{y=(-1/2)x+5}}}
now by looking at this equation, we know the slope is-1/2 and the y-int is (0,5).
{{{graph(500,500,-20,20,-20,20,(-1/2)x+5)}}}