Describe fully the single transformation that maps triangle P onto triangle Q.

3

P's coordinates are:  

Y  X

1,  4

1,  2

2,  2

Once we multiply it by 3 it's equal to Q's coordinates.

Y   X

3,  12

3,  6

6,  6

Therefore, P was enlarged 3 times more.

b segment jm is correct i think