Question

Which ordered pair is not a solution to this system?
x+y>3
x + 2y > 5
A (2,1)
B. (2,2)
C (2,3)
D. (2,4)
E. (2,5)

Answer 1

Answer:

A (2,1)

$x + y > 3 \\ x + 2y > 5 \\ \\ a)2 + 1 > 3 \: wrong \\ 2 + 2(1) > 5 \: wrong$

So, right off the bat, you can tell that the ordered pair (2,1) is most definitely NOT the solution to this system.