Question 115622
Let's use the general equation {{{y=mx+b}}} where m is the slope and b is the y-intercept


From {{{y=-x}}}, we can see that {{{m=-1}}} and {{{b=0}}} (Remember {{{y=-x}}} really looks like {{{y=-1x+0}}})


So the slope is {{{m=-1}}} and the y-intercept is {{{b=0}}}