Sarthaks Test
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Give the geometric representation of y = 3 as an equation

(I) in one variable

(II) in two variables

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In one variable, y = 3 represents a point as shown in following figure.

In two variables, y = 3 represents a straight line passing through point (0, 3) and parallel to x-axis. It is a collection of all points of the plane, having their y-coordinate as 3.

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