Question

define a polynomial. Give two examples of expression which are polynomials and two examples which are not polynomials.
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Answer 1

Answer:

A polynomial is an expression consisting of variables (also called indeterminates) and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables. An example of a polynomial of a single indeterminate x is x2 − 4x + 7.

3x2 - 2x-2 is not a polynomial because it has a negative exponent.

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Answer 2

Examples of Polynomials

Examples of PolynomialsSince all of the variables have integer exponents that are positive this is a polynomial. (x7 + 2x4 - 5) * 3x. Since all of the variables have integer exponents that are positive this is a polynomial. 5x-2 +1. Not a polynomial because a term has a negative exponent