Coordinates of A' are given by (-9,-3).
What is Coordinates?
Coordinates of a point suggest the position of that particular point in the Cartesian Plane.
If the coordinates of a point are (x,y) then x is the distance of the point from Y-axis and y is the distance from the X-axis.
Here in the given graph, we can see that the coordinates of A of quadrilateral ABCD are (-3,-1)
ABCD is dilated by a factor of 3.
So the coordinates of the A' which is the point A after dilating by 3 are given by the product of 3 and corresponding original coordinations.
Hence the coordinates of A' are = (3*(-3),3*(-1)) = (-9,-3)
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