Question 489784
solve each system by graphing. give the ordered pair of the point of intersection. 
9. x-y=2
2x+y=-2
**
y=x-2
y=-2x-2
..
At point of intersection:
x-2=-2x-2
3x=0
x=0
y=x-2=-2
point of intersection: (0,-2)
See graph below as a visual check
..
{{{ graph( 300, 300, -10, 10, -10, 10, x-2,-2x-2) }}}