SOLUTION: Is the following trinomial a perfect square:
x^2 + 4x - 4
I thought trinomials were written in sqrt form, is this not true?? Thank you
Algebra.Com
Question 70423: Is the following trinomial a perfect square:
x^2 + 4x - 4
I thought trinomials were written in sqrt form, is this not true?? Thank you
Answer by 303795(602) (Show Source): You can put this solution on YOUR website!
If this is a perfect square then it can be written as some term all squared.
can't be written in this form as you will need to square the last part of the term and it must end up with a negative number at the end.
However on the other hand could be written as and could be written as .
These last two would therefore be perfect squares.
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