Answer:
7.7- 3.51 goes to 8-4=4
3.5 -1.2 goes to 4-1 =3
22.78 - 14.12 goes to 23 - 14=9
16.208 - 3.652 goes to 16- 4= 12
(-5/8, 27/20) is the answer.
Step-by-step explanation:
9 = a7 + b
-2 = a9 + b
b = 9-7a and b = - 2-9a
9 - 7a = - 2-9a
2a = - 11
a = - 5.5
b = 9 - 5.5*7 = - 29.5
y = -5.5x - 29.5