i cant understand the geometric representation of linear equations in 2 variables(where lines are parallel to either x or y axis)
Asked by adityajhasaby0107
1st December 2015,
3:18 PM
Answered by Expert
Answer:
Hi Aditya,
When a line is parallel to X axis, then all points on it are at a constant distance from X axis.
Distance from X-axis for any point is it's Y - coordinate.
Hence, for all points on such a line, the Y-coordinate is a constant. So we can write the equation as Y = C, where C is a constant.
.
Similarly, when a line is parallel to Y axis, then all points on it are at a constant distance from Y axis.
Distance from Y-axis for any point is it's X - coordinate.
Hence, for all points on such a line, the X-coordinate is a constant. So we can write the equation as X = C, where C is a constant.
Hope this helps.
Answered by Expert
7th December 2015,
6:08 PM
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