SOLUTION: can someone please help me? solve each system by graphing. give the ordered pair of the point of intersection. 9. x-y=2 2x+y=-2

Algebra ->  Graphs -> SOLUTION: can someone please help me? solve each system by graphing. give the ordered pair of the point of intersection. 9. x-y=2 2x+y=-2      Log On


   



Question 489784: can someone please help me?
solve each system by graphing. give the ordered pair of the point of intersection.
9. x-y=2
2x+y=-2

Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
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%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+x-2%2C-2x-2%29+