Coordinate Plane SOL A.7

Anticipatory Set When writing an ordered pair, how can you remember which coordinate comes first?

Vocabulary Define the following words: Relation Quadrant

Vocabulary (continued) Relation – a set of ordered pairs A relation can be expressed as a set, table, map or graph Example: (1, 2), (-2, -4), (0, 3) Set {(1, 2), (-2, -4), (0, 3)} Table x y 1 2 -2 -4 0 3 Map Graph x -2 1 y -4 2 3

Vocabulary (continued) Quadrant – the four regions in to which the x and y-axes separate the coordinate plane y II I x III IV

Teachable Notes Foldable II I III IV The Coordinate Plane Step 2

Teachable Notes Foldable I II III IV ( - , +) (+, +) ( - , - ) ( + , - )

Student Examples Create a table, map, and graph for the following relation. (3, 7), (-2, 4), (3, 1), (-2, 1) x y x y 3 7 -2 4 1 -2 1 3 -2 7 4 1