A vertical line is one that is parallel to the y-axis of a graph. A vertical line is also perpendicular to the x-axis of the same graph, which means that the value of the x-coordinate for a vertical line does not change. More »

Vertical lines on a monitor are caused by interference, improperly connected cables, hardware malfunction or out of date drivers. Older Cathode Ray Tube (CRT) monitors are more susceptible to interference than newer Liqu... More »

Horizontal lines are parallel to the horizon or parallel to level ground. They have a slope of zero and are parallel to the x-axis on a graph. Vertical lines are perpendicular to the horizon, parallel to the y-axis on a ... More »

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The y-intercept is the point where a curve or a function intersects the y-axis. For a Cartesian plane, this refers to the point where x = 0. More »

www.reference.com Math Geometry

In the Cartesian Plane, the slope of a graph represents the rate of change of the graph. The slope of graph at any given point is the point's "y" value (rise) divided by the "x" value (run). More »

Coordinating geometry proofs involves choosing a formula, drawing a graph, showing all work to demonstrate how the result was achieved, then concluding with a short statement of proof to explain what was proven and its v... More »

www.reference.com Math Geometry

The National Center for Education Statistics states that on a bar graph where the bars are placed vertically, the y-axis runs vertically from the bottom to the top of the graph. On bar graphs where the bars run horizonta... More »

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