System of Equations: Solutions with x > 0 & y < 0

[aldrinkleys]

N integer that satisfies

I mean, the system has solution
with x >0 and y < 0

a) {-2,2}
b) {0,1}
c) {6,7}
d) {-3,-1,2}

 

[Dick]

I'm assuming the {} things are choices for n. You might actually just have to solve some equations. Does n=(-2) give a solution with x>0 and y<0? If not then you can eliminate a) and move on to b).