Need help with these two problems.

http://gyazo.com/6559d57d2048f2aeaf69501740cd12c3
http://gyazo.com/3f941d5cc4017fe9723e2d12913e94a2

Question

Need help with these two problems.

http://gyazo.com/6559d57d2048f2aeaf69501740cd12c3
http://gyazo.com/3f941d5cc4017fe9723e2d12913e94a2

anonymous · Answer

I've tried this myself and got C for both, is that correct?

mathstudent55 · Answer

correct

anonymous · Answer

Q1 is not correct

mathstudent55 · Answer

@summer1980 Why?

anonymous · Answer

try it first for x=0  then for y=3 and see what u get

anonymous · Answer

I just submitted it and both of them are C. :)

anonymous · Answer

Thanks for the help.

mathstudent55 · Answer

Test (0, 3)
y = -x + 3
3 = -0 + 3
3 = 3 Checkes

Test (0, 3)
y = 2x - 3
3 = 2(0) - 3?
3 = -3 Does not check

Answer C.No, because it does not check in the second equation. Correct.

mathstudent55 · Answer

@summer1980 That's exactly what I did. Did you read the question and the choices correctly? C is correct.

anonymous · Answer

yes u r correct  sorry