Answer:
The co-ordinates of A' is
A) [tex](-2,\frac{14}{3})[/tex]
Step-by-step explanation:
Given point:
(-3,7)
The point is dilated with a scale factor [tex]r=\frac{2}{3}[/tex] with the center of dilation at the origin.
To find the co-ordinates of the dilated point A'.
Solution:
Any point dilated with the center of dilation at the origin with a scalar factor [tex]k[/tex] is given by:
[tex]D(x,y)\rightarrow D(kx,ky)[/tex]
Thus, the point (3,-7) dilated with a scale factor [tex]r=\frac{2}{3}[/tex] with the center of dilation at the origin is given as :
[tex]A(-3,7)\rightarrow A'(\frac{2}{3}\cdot -3,\frac{2}{3}\cdot 7)[/tex]
[tex]A(-3,7)\rightarrow A'(-2,\frac{14}{3})[/tex]
Thus, the co-ordinates of A' is [tex](-2,\frac{14}{3})[/tex].
