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Question
The diagram shows the four quadrants P, Q, R and S on a Cartesian plane.
Which of the following points lie in quadrant S?
I (-1,2) II (-1,-2)
III (1,-2) IV (2,-1)
The diagram shows the four quadrants P, Q, R and S on a Cartesian plane.
Which of the following points lie in quadrant S?
I (-1,2) II (-1,-2)
III (1,-2) IV (2,-1)
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Solution
The correct option is D III and IV only
The coordinates of any point on the 2D plane are given in form of (x,y) coordinates where x-coordinate is the coordinates along the X-plane and similarly y-coordinate along the Y plane.
In order to be a point in the 4th Quadrant, the value of x has to be positive and the value of Y should be negative.
Hence the points III and IV are in the 4th Quadrant because they satisfy the above conditions.
The coordinates of any point on the 2D plane are given in form of (x,y) coordinates where x-coordinate is the coordinates along the X-plane and similarly y-coordinate along the Y plane.
In order to be a point in the 4th Quadrant, the value of x has to be positive and the value of Y should be negative.
Hence the points III and IV are in the 4th Quadrant because they satisfy the above conditions.
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