Question

Help with my quiz?
I'm not doing so hot, and I'd like someone to check my answers. I don't have images for my answers, just the questions, though. If you have questions about one of them, let me know.
http://tinypic.com/r/2yzhrgz/8
http://tinypic.com/r/2dj2alt/8
http://tinypic.com/r/qxmpgj/8
http://tinypic.com/r/raozs4/8
http://tinypic.com/r/1zxqdtf/8
http://tinypic.com/r/nxkh89/8
http://tinypic.com/r/34pcjk0/8
http://tinypic.com/r/ejs808/8

Answer 1

HI!!

Answer 2

here is the check for the first one
you can check the others the same way
http://www.wolframalpha.com/input/?i=-2x%3D2y-4%2C2x-y%3D-5