3. Coordinate Geometry
easy

If $P (-1,1), Q(3,-4), R (1,-1), S (-2,-3)$ and $T (-4,4)$ are plotted on the graph paper, then the points in the fourth quadrant are

A

$P$ and $T$

B

$O$ and $S$

C

$Q$ and $R$

D

$P$ and $R$

Solution

We know that quadrant $IV$ consists of the all points $( x , y )$ for which $x$ is positive and $y$ negative.

So, the points in the fourth quadrants are $Q(3,-4)$ and $R(1,-1).$

Standard 9
Mathematics

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