Examples

To find the coordinate of point B, we count three units to the left, then up one unit.  The coordinate of point B are (-3, 1).

To find the coordinate of point C, we count four units to the left, then down two.  The coordinate of point C are (-4, -2).

Remember that when you move to the left or down, the coordinate is negative.  When you move to the right or up, the coordinate is positive.

Next: Section A, page 8

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