Question

How do you graph `x + y = –2`?

Answer 1

First write the equation in standard linear form : `y=-x-2`
So we see that it is a straight line graph with gradient (slope) of `-1` and y-ntercept of `-2` and x-intercept of `-2`.

Explanation:

Graphically

graph{x+y=-2 [-10, 10, -5, 5]}