Vocabulary

Coordinate Plane: A plane formed by the intersection of a horizontal number line with a vertical number line.

X-Axis: The horizontal number line (left to right) on a coordinate plane.

Y-Axis: The vertical number line (up and down) on a coordinate plane.

Origin: Where the X and Y axis intersect. Ordered pair is (0,0).

Ordered Pair: A pair of numbers used to find a point on a coordinate plane. Written in the form (x, y). X is the horizontal direction and Y is the vertical direction.