Question

Please help w/ these questions

Answer 1

wat

Answer 2

first one is "open" you can actually solve it

Answer 3

for the second one, replace \(x\) by \(-1\) you get
\[-2(-1)+6=5\] or
\[2+6=5\] which is false

Answer 4

satellite73 that's what i said before for the first problem but apparently it was "true."
http://openstudy.com/users/math%3Ephilosophy#/updates/50b00763e4b09749ccac1e3f

Answer 5

third one replace \(x\) by \(3\) and \(y\) by \(-1\) and see what you get
if they are equal, then you win

Answer 6

Ok thank you so much :)

Answer 7

yw