Coordinate Geometry
Two axes · Four quadrants · An address for every point
Name the axes and the origin
Know the four quadrants and their signs
Read coordinates from a graph
Plot a point when coordinates are given
Join points to make shapes and find area
Letters along the bottom, numbers up the side.
Say the letter first, then the number.
C, 6 means three across and six up.
The order never changes: sideways first.
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