Question
Is the expression $4{x^2} - 3x + 7{\text{ }}$, polynomial in one variable or not? State the reason for your answer.
✓
Answer
$4{x^2} - 3x + 7{\text{ }}$
We can observe that in the polynomial $4{x^2} - 3x + 7{\text{ }}$
we have x as the only variable and the powers of x in each term are a whole number.
Therefore, we conclude that $4{x^2} - 3x + 7{\text{ }}$ is a polynomial in one variable.
We can observe that in the polynomial $4{x^2} - 3x + 7{\text{ }}$
we have x as the only variable and the powers of x in each term are a whole number.
Therefore, we conclude that $4{x^2} - 3x + 7{\text{ }}$ is a polynomial in one variable.
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