2. Intersecting Lines
Parallel Lines
Coincident Lines

3. Intersecting lines
Possible when
a1/a2 b1/b2
Parallel Lines
Possible when
A1/a2=b1/b2
=c1/c2
Coincident lines
Possible when
a1/a2=b1/b2
≠ C1/c2
≠

4. Equation1- x-2y=0
Equation2- 3x+4y=20
X 2 -4
Y 1 -2
X 0 4
Y 5 2
X X
Y
Y

5. Equation1- 2x+4y=12
Equation2- x+2y=4
X -2 2
Y 3 1
X 2 4
Y 2 1
X X
Y
Y

6. Equation1- 3x-y=2
Equation2- 9x-3y=6
X 2 1
Y 4 1
X 0 -1
Y -2 -5
X X
Y
Y