Polynomials consist of terms that are constant and/or variable. The variable terms must have 0 or positive exponents. Polynomials will not consist of division of variable expressions.

Examples of polynomials:

$5$

$5x$

$6-x$

$24x^9-x$

Examples of non-polynomials:

$\sqrt{x}$

$\frac{x+2}{x-4}$

In general a polynomial when written in standard form should be comparable to:

$a_nx^n+a_{n-1}x^{n-1}+\cdots a_3x^3+a_2x^2+a_1x+a_0$

where the $a$ 's could be zero and all the exponents,n, are positive or 0.

D is comparable since all of these are 0 except $x_4$ which is 1 and $x_0$ which is -2.

Also the other choices have either division by variable expressions and/or negative exponents on variables.

5 0

3 years ago

The top of a square box has an area of 121 cm2. What is the length of one side of the box? A) 9.0 cm B) 11.0 cm C) 15.125 cm D)

tekilochka [14]

B. 11.0 cm, since the area of a square is x^2. 11.0 x 11.0 is 121. So that means one of the sides is 11.0

5 0

3 years ago

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⚠️PLEASE ANSWER 8TH GRADE MATH⚠️ questions 5,6,7

yawa3891 [41]

Answer:

6, 10, 5

Step-by-step explanation:

5 0

3 years ago

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