Junior Cycle · Co-ordinate Geometry of the Line Lesson 10 of 13

JCHL The Line 10: Proving a Point is on a Line

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You’ll learn

  • Sub the point in: put its x-value and y-value into the line. If left side = right side, the point is on the line
  • The words matter: investigate = maybe yes/no (you decide); prove/verify = it definitely is, just show the working
  • Always write a conclusion sentence to get the full marks

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