Which point has a coordinate has a point $(1,-2)$?

a. A

b. B

c. C

d. D

In this, use the concept of understanding the various quadrants of the graph in which the sign of the x and y is different which is four that is $1st(+,+),2nd(-,+),3rd(-,-)\&4th(+,-)$.

Here,

The coordinate is $(1,-2)$.

Now, from the above coordinate, it is clearly seen that the value $(x,-y)$, and it is in fourth quadrant.

The correct Option is C.

a. A:It is not the correct option because it’s coordinate is $(-x,y)$which is different as from the answer that is $(x,-y)$.

b. B: It is not the correct option because it’s coordinate is $(x,y)$which is different as from the answer that is $(x,-y)$.

c. C: It is the correct option because it’s coordinate is $(x,-y)$which is different as from the answer that is $(x,-y)$.

d. D: It is not the correct option because it’s coordinate is $(-x,-y)$which is different as from the answer that is $(x,-y)$.