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If P (5, 1), Q (8, 0), R (0, 4), S (0, 5) and O (0, 0) are plotted on the graph paper, then the point(s) on the x-axis are:  

(A) P and R  
(B) R and S  
(C) Only Q  
(D) Q and O

Answers (1)

Answer: (D) Q and O

Solution.

Plotting the given points, we have:


(A) Points P and R lie on a different axis. So it is incorrect. 
(B) Points R and S lie on the y-axis because, on the y-axis, the x-coordinate is always zero. So it is incorrect.
(C) Point Q (8, 0) lies on the x-axis because, on the x-axis, the y-coordinate is always zero. So it is incorrect.
(D) Points Q and O have a y-coordinate of 0, so they are plotted on the x-axis. So this is correct.
Therefore option (D) is correct.

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