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The coordinates of the point of intersection of straight lines

Lecture




Let two straight equations be given:

  The coordinates of the point of intersection of straight lines

Find the coordinates of their intersection point. Since the intersection point belongs to both straight lines, then its coordinates satisfy both equations. So the coordinates of the intersection point are the solution of the system of equations that define the straight lines. So you need to solve the system

  The coordinates of the point of intersection of straight lines



  The coordinates of the point of intersection of straight lines

Point with coordinates

  The coordinates of the point of intersection of straight lines

- the point of intersection of the given lines.

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Planometry

Terms: Planometry