Answer:
2
Step-by-step explanation:
take any point
i am taking F
coordinate of F is (5 , 3)
F' is (10,6)
so use formula
(x , y) = (kx , ky)
(5 , 3) = (5k , 3k) = (10 , 6)
compare corresponding elements
5k = 10
k = 10/5
k = 2
3k = 6
k = 6/3
k = 2
note here k means scale factor
