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If a point lies on the x-axis, its y-coordinate is

A1
B0
Cnegative only
Dpositive only
Answer & Solution
Correct answer: B. 0
1. The x-axis is the horizontal reference line. 2. Points on it have no vertical offset. 3. So their y-coordinate is 0. 4. Hence option A is correct. _Source: Selina Concise Mathematics Class 9, Ch 26 Co-ordinate Geometry (Mistral OCR'd PDF), section on axes_
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