alleryWhen the coefficient is one, 1x^2 is usually written as
Ax^2
B1 + x^2
C2x
Dx
Answer & Solution
Correct answer: A. x^2
1. A coefficient of one is usually left out.
2. So 1x^2 is simply x^2.
3. The power stays, so x alone and 2x are different values.
_Source: Wikipedia, Elementary algebra, Algebraic notation_
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