the point of intersecting
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A coordinate graph has two perpendicular lines, or axes, labeled with number and called number lines. The horizontal axis is called the x-axis. The vertical axis is called the y-axis. The point where the x-axis and y-axis intersect is called the origin. I'm doing this in school now!
Two lines are perpendicular if they cross at 90 degree angles.
a point
An intersection is the point at which two or more lines touch or cross, therefore, lines are intersecting when they cross each-other.
Two coplanar lines that never intersect are called called parallel lines.