△POQ~△ROS. Identify the coordinates of S and the scale factor. HELP ASAP!!

Answer:
S(-7,0) , 2/7
Step-by-step explanation:
To get coordinates of P we can see that
14*(2/7)=4
Now, to get coordinates of S, we have this equation :
[tex]x*\frac{2}{7}=-2[/tex]
Multiply by 7 each side :
2x=-14
x=-7
y=0