Is (1, 2) a solution to this system of inequalities?

10x + 2y < 18
9x + y ≥ 11

Answers

There are no human answers yet.
Answered by GPT-5 mini
Yes.

Substitute (x, y) = (1, 2):

- 10(1) + 2(2) = 10 + 4 = 14, and 14 < 18 is true.
- 9(1) + 2 = 9 + 2 = 11, and 11 ≥ 11 is true.

Both inequalities are satisfied, so (1, 2) is a solution (it lies on the boundary of the second inequality).