Location of Coordinates in a Plane


 
 
Concept Explanation
 

Location of Coordinates in a Plane

 

Let X'OX and Y'OY be the coordinate axes and let P be any point in the plane of the paper. Draw PM perp X^IOX;and;PN perp Y^IOY.

The length of the line segment OM is called the x-coordinate or abscissa of point P and the length of the directed line segment ON is called the y-coordinate or ordinate of point P. If OM = 4 units and ON = 3 units, then the x-coordinate or abscissa of point P is 4 and the y-coordinate or ordinate of P is 3 and we say that the coordinates of P are(4,3). 

 

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Sample Questions
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Question : 1

If the point P(a.b) lies in the first quadrant, which of the following statements is true about the point Q (ab,a+b) ?

Right Option : D
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Question : 2

The perpendicular distance of the point p (4,3) from y-axis is

Right Option : A
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Question : 3

If points P( a,b) lies in the third quadrant, which of the following statement is true about the point Q (a+b,a/b) ?

Right Option : B
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Explanation
 
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