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KiRa [710]
3 years ago
8

Which algebraic expression is a polynomial with a degree of 2?

Mathematics
2 answers:
n200080 [17]3 years ago
4 0
<h2>Answer:</h2>

The algebraic expression which is a polynomial with a degree of 2 is:

        4)  6x^2-6x+5

<h2>Step-by-step explanation:</h2>

Polynomial expression--

It is a algebraic expression which contains the natural powers of x.

We know that the general form of a quadratic polynomial i.e. a polynomial of degree 2 is given by:

     p(x)=ax^2+bx+c

where a,b and c are real numbers.

1)

4x^3-2x

It is a cubic polynomial i.e. a polynomial of degree 2.

Since the highest power of x in the expression is: 3

2)

10x^2-\sqrt{x}

It is not a polynomial since there is one term which is not a natural power of x.

3)

8x^3+\dfrac{5}{x}+3

Again we have a term which is not a natural power of x.

Since,

\dfrac{5}{x}=5x^{-1}

4)

6x^2-6x+5

It is a polynomial with degree 2 since it matches the general form of a polynomial of degree 2.

gavmur [86]3 years ago
3 0
Degree 2 means the highest power of x is 2 and that is:

4). 6x² − 6x + 5

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