Discover a wealth of knowledge at Westonci.ca, where experts provide answers to your most pressing questions. Connect with a community of experts ready to help you find solutions to your questions quickly and accurately. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

Which represents the polynomial below written in standard form?

[tex]\[ \frac{x^2}{2} - 3x + 4x^3 + 6 \][/tex]

A. [tex]\( 6 + \frac{x^2}{2} - 3x + 4x^3 \)[/tex]

B. [tex]\( 4x^3 + \frac{x^2}{2} - 3x + 6 \)[/tex]

C. [tex]\( -3x + 4x^3 + 6 + \frac{x^2}{2} \)[/tex]

D. [tex]\( \frac{x^2}{2} + 4x^3 - 3x + 6 \)[/tex]


Sagot :

To write a polynomial in standard form, we need to arrange its terms in descending order according to their degrees. The degree of a term is indicated by the highest power of the variable [tex]\( x \)[/tex] in that term.

Given polynomial:
[tex]\[ \frac{x^2}{2} - 3x + 4x^3 + 6 \][/tex]

Let's identify the degree of each term:
- [tex]\(4x^3\)[/tex] has a degree of 3.
- [tex]\(\frac{x^2}{2}\)[/tex] has a degree of 2.
- [tex]\(-3x\)[/tex] has a degree of 1.
- [tex]\(6\)[/tex] is a constant term with a degree of 0.

Now, we order these terms from the highest degree to the lowest degree:

1. The term with degree 3: [tex]\( 4x^3 \)[/tex]
2. The term with degree 2: [tex]\(\frac{x^2}{2}\)[/tex]
3. The term with degree 1: [tex]\(-3x\)[/tex]
4. The constant term (degree 0): [tex]\( 6 \)[/tex]

Therefore, the polynomial in standard form is:
[tex]\[ 4x^3 + \frac{x^2}{2} - 3x + 6 \][/tex]

Now, let's match this expression with the options given:

1. [tex]\(6 + \frac{x^2}{2} - 3x + 4x^3\)[/tex] is not in the correct order.
2. [tex]\(4x^3 + \frac{x^2}{2} - 3x + 6\)[/tex] matches our polynomial in standard form.
3. [tex]\(-3x + 4x^3 + 6 + \frac{x^2}{2}\)[/tex] is not in the correct order.
4. [tex]\(\frac{x^2}{2} + 4x^3 - 3x + 6\)[/tex] is not in the correct order.

The correct choice is:
[tex]\[ \boxed{4x^3 + \frac{x^2}{2} - 3x + 6} \][/tex]