Lumen🪙 0

Lines parallel to the axes

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Concept 1 of 3 · no score 🙂

x = a is vertical

xy-4-224-4-224x = 4y = 2x = 4 is VERTICALevery point has x = 4,so it runs up and downy = 2 is HORIZONTALevery point has y = 2,so it runs left to right
It feels backwards: x = 4 is parallel to the y-axis.
  1. 1Every point on the line x = 4 has x-coordinate 4.