This math topic focuses on finding the run of a line between two points in a coordinate plane by calculating the change in x-coordinates. It practices an essential aspect of line equations and graphing, including evaluating horizontal movement through multiple choice questions. The problems present pairs of coordinates and require the correct identification of the horizontal distance (run) between them. This skill is fundamental in understanding the slope and constructing linear equations from points.
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Find the run of the line (change in x) between the two (x, y) points
(2, 1) and (6,6)