They are parallel lines with a vertical separation of 1.
They are parallel lines.
neither
parallel
The lines are parallel, but not the same.
They are parallel.
They are parallel lines
parallel
They are parallel lines.
They are straight lines.
They are parallel lines.
neither
If: 12 = 2y+x then y = -1/2x+6 So: y = 2x+4 and y = -1/2x+6 which means that they are perpendicular lines
parallel
The lines are parallel, but not the same.
2x1 = 2x
They are parallel.
Yes, they're parallel lines. Both slopes are 2.