SOLUTION: With the equation {{{ x^2/16 + y^2/4 = 1 }}}, solve for y. I got that {{{ y=2-x/2 }}}, I just wanted to make sure that it was right.
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Question 1034962: With the equation , solve for y. I got that , I just wanted to make sure that it was right.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Not even close. What you did was say:
However, in general, that is a false statement
(a\ -\ b)\ =\ a^2\ -\ 2ab\ +\ b^2\ \not =\ a^2\ -\ b^2)
So, take your answer and go back one step to:
Which could be expressed as
which could be more convenient depending on context.
John
My calculator said it, I believe it, that settles it
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