Answer:
y = 3
Step-by-step explanation:
y+y = 9-3
2y = 6
Answer: 18
See the photo for work shown
In a dilatation for find the new coordinates we have to multiply the initial value for the the scale factor
A’(-3, 12)
B’(9,6)
C’(-9,-3)
so the general rule is:
(x,y) -> (3x, 3y)
x =2
2 in, 6 in, 1 in
