Graphs and Coordinates definitions Flashcards
Graphs and Coordinates definitions
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Rectangular Coordinate System A two-dimensional grid formed by intersecting perpendicular number lines, used to locate points with two values. Cartesian Plane A plane defined by a horizontal and a vertical axis intersecting at a central point, allowing for graphical representation of pairs. X-Axis The horizontal reference line in a coordinate system, used to determine the first value in an ordered pair. Y-Axis The vertical reference line in a coordinate system, used to determine the second value in an ordered pair. Origin The intersection point of the horizontal and vertical axes, serving as the central reference with coordinates (0,0). Ordered Pair A set of two numbers in parentheses, indicating a specific location on a two-dimensional grid. Coordinate A numerical value representing a position along either the horizontal or vertical axis in a plane. Quadrant One of four regions created by the intersection of the axes, each labeled and used to describe point locations. Grid A network of intersecting lines forming squares, used as a background for plotting points in two dimensions. Intersection The point where the horizontal and vertical axes cross, dividing the plane into four regions. Positive Value A number greater than zero, indicating movement to the right or upward from the central reference point. Negative Value A number less than zero, indicating movement to the left or downward from the central reference point. Two-Dimensional Plane A flat surface defined by two axes, allowing for the representation of locations using pairs of numbers. Number Line A straight line with evenly spaced values, used as a reference for measuring positions along an axis. Reference Point A fixed location, typically the intersection of axes, from which positions are measured in a coordinate system.
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