Question

Write equations for the horizontal and vertical lines passing through the point (-2,-5).

Answer 1

• y = -5
• x = - 2

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The horizontal line has same y- coordinate for each x- coordinate, and is parallel to the x-axis so it is:

• y = - 5

The vertical line has same x- coordinate for each y- coordinate, and is parallel to the y-axis so it is:

• x = - 2

Refer to graphs.