It is called the origin, or the point (0, 0).
Its called a line graph
Two lines that meet at a right angle are called perpendicular.Two lines that meet at a right angle are also called normal.Two lines that meet at a right angle are also called orthogonal.
either a scatter graph or a line graph xx :)
Parallel
line breaks
Perpendicular lines
parallel lines
Fault lines
When 2 or more straight lines meet...the point where they meet is called the point of intersection
2 Lines in the same plane that do not meet are parallel. If 2 lines are in different planes and do not meet, then they are called skew lines.
the point of intersecting