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Coordinate Axes and Cartesian Plane

The equation ...

Question

The equation of the y - axis is

(a) x = 0

(b) y = 0

(c) x = y

(d) x + y = 0

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Solution

Equation of straight line is very simple x =o. In the entire y- axis ,wherever we go, always the x coordinate is zero. If we take any two points on x-axis and find equation using two point formula of straight line, then finally we will get x =o.
option a is correct

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Coordinate Axes and Cartesian Plane

Standard IX Mathematics

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