Question
Solve the system by graphing.
x+y=4
-x+y=2
How do I graph this?
x+y=4
-x+y=2
How do I graph this?
Answers
Damon
solve each for y to make it easy:
y = -x +4
y = x + 2
Now put two points for each line on your graph paper and draw the lines. Note where they cross each other, in this case at right angles at (1,3)
y = -x +4
y = x + 2
Now put two points for each line on your graph paper and draw the lines. Note where they cross each other, in this case at right angles at (1,3)