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Write the equation of the x-axis

User Wissam
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Answer:

equation of x-axis is y=0

Explanation:

let AB be a straight line parallel to x axis. then the ordinate of every point on lineAB is constant. let it be assumed b.

let p(x, y) be any point on line AB. the line y=b is required equation of line AB. the line y=b lies above or below x-axis according as b is positive or negative.

if b=0 then line AB coincides with x axis. so the equation of x-axis is y=0.

User Sazh
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