Answer:
The new coordinates of E are (-3,-15/2).
Step-by-step explanation:
Here we just need to multiply each element of this point by r.
So we have:
[tex]E_{new}(-2*(\frac{3}{2}),-5*(\frac{3}{2}))[/tex]
[tex]E_{new}(-3,-\frac{15}{2})[/tex]
Therefore, the new coordinates of E are (-3,-15/2).
I hope it helps you!