Question

Help !!

Answer 1

This is the attachment ^.^

Answer 2

@chrisasl

Answer 3

Quadratic equations are in this form:
http://upload.wikimedia.org/wikipedia/en/math/1/c/1/1c110885bd9155bea6b6630e7d24d6c4.png

First of all you should bring all the 4 equations to this form, y = ...
Do this and reply here with the answer.
Also if you notice that you get something like the image from wikipedia, do tell me and I'll check your answer..

Answer 4

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