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Anastaziya [24]
3 years ago
5

Which of the following is a polynomial?

Mathematics
1 answer:
Makovka662 [10]3 years ago
5 0

Answer:

D

Step-by-step explanation:

Terms are separated by addition and subtraction symbols.

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.

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Apply the distributive property to create an equivalent expression. (1-2g+4h)x5
kifflom [539]

Answer: 5-10g+20h

Step-by-step explanation:

You can rewrite as 5(1-2g+4h). 5x1 equals 5, 5x2g=10g, 5x4h=20h, then you get 5-10g+20h

-viridiancat4, an 8th grader! :)

8 0
3 years ago
Rewrite the equation in Ax+By=C form
Ksju [112]

Ax + By = C form of the given equation is –6x + y = –28.

Solution:

Given equation is y – 2 = 6(x – 5).

To write the equation in Ax + By = C format:

y – 2 = 6(x – 5)

y – 2 = 6x – 30

Add 2 on both sides of the equation.

y – 2 + 2 = 6x – 30 + 2

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Subtract 6x from both sides of the equation.

y – 6x = 6x – 28 – 6x

y – 6x = –28

Arrange the terms in the equation.

–6x + y = –28

This is in the form of Ax + By = C.

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Mariana [72]

Answer:

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Step-by-step explanation:

Let Diane sold B books in one hour,

Additional earning by selling 1 book = 1$

Additional earning by selling B books = Number of books sold × Additional earning by selling one book

= B × ($1.00)

= $B

Fixed earning of Diane in one hour of part time = $15

Total earnings = B + 15

A = B + 15

Table to find the input-output values for the graph,

A      15      16        17      18

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AB= 45 degrees central angle theorem
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