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icang [17]
3 years ago
6

Which expressions are polynomials?

Mathematics
2 answers:
statuscvo [17]3 years ago
7 0

Answer:

They all are polynomials.

Step-by-step explanation:

Given : Following expression

1)  x^2+5x^{15}

2)  -x^2+5x

3) 6x^2+5x

4) -7x^2+53x

The following all are polynomials because polynomials are:

An expression consisting of variables and coefficients or expression more than two algebraic terms and the terms that contain different powers of the same variable(s) involve operations addition , subtraction, multiplication and non-negative integer exponent of variables.

So when we see to these functions they all are a mixture of a polynomial.

Nina [5.8K]3 years ago
7 0

Answer:

The answer is actually just two of them, the second and third.

Step-by-step explanation:

Here is a screenshot showing the graded answer as correct.

The two with fractions are NOT polynomials!

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