The best way to solve this problem would be by plugging each of the choices into the equation and seeing which works:
A:
6(1)+2=-4
6+2=-4
8≠4
B:
6(1)-10=-4
6-10=-4
-4=-4
C:
6(1)-4=-4
6-4=-4
2≠-4
D:
6(2)-8=-4
12-8=-4
4≠-4
The answer is B (1, -10).
Hope this helps!!