Slope = 1/-1
y-intercept= 0

Slope = 2/1

Up 2
Up 1
(1,2)
and
and
The solution is the point they cross at (1,2)
right 1
left 1

y-intercept= +3
Graph the following on the coordinate plane.

1
y
x 3
2
1
m
2

b

3

y

1
y
x 1
2
1
m
x
2

b

Parallel lines have the same slope.

1
Same line
Infinitely Solutions
(1,2)

Y=x+2
Y=X+2

Systems of equaions graphing