Can someone please help me with this:
It's pre calc and it involves the elimination method. I cannot understand how to get 6 answers out of this problem. problem attached

Question

Can someone please help me with this: 
It's pre calc and it involves the elimination method. I cannot understand how to get 6 answers out of this problem. problem attached

anonymous · Answer

attachment

anonymous · Answer

elimination method- add or subtract the 2 equations from each other in order to isolate a variable, in this case, either x^2 or y^2

once you've isolated a variable, just solve for x and/ or y

anonymous · Answer

also remember that for $$x^2=n$$
$$x=\pm \sqrt{n}$$

anonymous · Answer

thank you! I think when i was doing this problem the fist time I had completely confused myself. I got y=x-1 them plugged that in..and it all went to crap after that.

anonymous · Answer

yup, cant just get rid of those exponents