SOLUTION: if y = 43 +x2 find the value of Y when Y = -2

Question 1205658: if y = 43 +x2 find the value of Y when Y = -2

Found 4 solutions by MathLover1, ikleyn, josgarithmetic, math_tutor2020:
Answer by MathLover1(20850)   (Show Source): You can put this solution on YOUR website!

find the value of when => I assume you mean

Answer by ikleyn(52927)   (Show Source): You can put this solution on YOUR website!
.
if y = 43 +x2 find the value of Y when Y = -2
~~~~~~~~~~~~~~~~~~~

        Writing in your post is FATALLY INCORRECT,
        making the meaning of your post dark, unclear and ambiguous.

Answer by josgarithmetic(39631)   (Show Source): You can put this solution on YOUR website!
Not written correctly.
? Is this what you have?

No "Y".
You either mean, "find y" or y=-2 and want to find x.
Answer by math_tutor2020(3817)   (Show Source): You can put this solution on YOUR website!

The question appears to have some typos. Please be more careful when posting the question.

I'll assume the equation is in which you can write as y = 43 + x^2

If you want to find y when x = -2, then...

Or if you wanted to find x when y = -2, then...

If your teacher has not covered imaginary numbers just yet, then the answer is "no real solutions" since squaring a real number does not lead to a negative result.

If your teacher has covered imaginary numbers, and requests the complex roots, then the next set of steps are:

or
or
or
or
or
That can be condensed to

where

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