Question

foot of the perpendicular of
(x1,y1) on x-axis​

Answer 1

Topic - Coordinate Geometry

The solution is done below:

• The given point is (x1, y1).
• As we plot the point (x1, y1) in the xy-plane, we go x1 units length on the x-axis.
• Then we go vertically upwards or vertically downwards parallel to the y-axis according to y1 being positive or negative respectively.
• As we are going upwards or downwards, we can say that we have found a point (x1, 0) on the x-axis and then we plot (x1, y1) by moving vertically.
• Therefore the required foot of the perpendicular of the point (x1, y1) on the x-axis is (x1, 0).

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