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Assertion and Reason Questions for Class 9 Maths Chapter 3 Coordinate Geometry, , Directions: In the following questions, a statement of assertion (A) is followed by a, statement of reason (R). Mark the correct choice as:, , (a) Both assertion (A) and reason (R) are true and reason (R) is the correct explanation, of assertion (A)., , (b) Both assertion (A) and reason (R) are true but reason (R) is not the correct, explanation of assertion (A)., , (C) Assertion (A) is true but reason (R) is false., , (d) Assertion (A) is false but reason (R) is true., , Q.1. Assertion: Point A(-2, -4) lies on If quadrant, , Reason: A point both of whose coordinates are negative lies in III quadrant, , Answer, , Answer: (a), , Q.2. Assertion: The abscissa of a point (5, 2) is 5., , Reason: The perpendicular distance of a point from y-axis is called its abscissa., , Answer, , Answer: (a), , Q.3. Assertion: The point (0,4) lies on y-axis., , Reason: The x co-ordinate of the point on y-axis is zero., , Answer, , Answer: (a), , QA. Assertion: Point (4, -2) lies in IV quadrant., , Reason: The perpendicular distance of a point from y-axis is called its abscissa.

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Answer, , Answer: (b), , Q.5. Assertion : The points (-1, 2) and (2,- 1) are at different positions in the coordinate, plane., , Reason: Point (-1,2) lies in Il-quadrant and (2,- 1) lies in TV quadrant, , Answer, , Answer: (a), , Q.6. Assertion : If the ordinate of a point is equal to its abscissa, then the point lies, either in the first quadrant or in the second quadrant., , Reason : A point both of whose coordinates are negative will lie in third quadrants, , Answer, , Answer: (d), , Q.7. Assertion: A point whose abscissa is -3 and ordinate is 2 lies in second quadrant, , Reason: Points of the type (-; +) lie in the second quadrant, , Answer, , Answer: (a), , Q8. Assertion: The perpendicular distance of the point A(3, 4) from the y-axis is 4, , Reason: The perpendicular distance of a point from y-axis is called its x-coordinate., , Answer, , Answer: (d)

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Q.9. Assertion : The point (-2, 0) lies on y-axis and (0, 4) on x -axis., Reason: Every point on the x -axis has zero distance from x -axis and every point on, , the y-axis has zero distance from y-axis., , Answer, , Answer: (d), , Q.10. Assertion: A point whose abscissa is 2 and ordinate is -3 lies in fourth quadrant, , Reason: Points of the type (-; +) lie in the second quadrant, , Answer, , Answer: (b)