Let's solve for all of the ordered pairs...
A. (2,-7)
4x-2y>20
4(2)-2(-7)>20
8+14>20
22>20
True
B. (-2,-7)
4x-2y>20
4(-2)-2(-7)>20
-8+14>20
6>20
Not true
C. (-2,7)
4x-2y>20
4(-2)-2(7)>20
-8-14>20
-22>20
Not true
D. (2,7)
4x-2y>20
4(2)-2(7)>20
8-14>20
-6>20
Not true
A is the correct answer
