Question
Which of the following responses shows that polynomials form a closed system
under multiplication?(1 point)
$5\cdot \frac {3}{x}$
$(\frac {1}{3})(\frac {x}{4}-2)$
$2x^{3}+x^{2}$
$5x^{-1}\cdot 2$
under multiplication?(1 point)
$5\cdot \frac {3}{x}$
$(\frac {1}{3})(\frac {x}{4}-2)$
$2x^{3}+x^{2}$
$5x^{-1}\cdot 2$
Answers
Answer
Thats wrong
Answered by
GPT-4o mini
To determine which of the responses shows that polynomials form a closed system under multiplication, we need to look for a product that results in another polynomial.
1. \(5\cdot \frac {3}{x}\)
This expression simplifies to \(\frac{15}{x}\), which is not a polynomial (it has a negative exponent).
2. \((\frac {1}{3})(\frac {x}{4}-2)\)
This expression simplifies to \(\frac{1}{3} \cdot \frac{x}{4} - \frac{2}{3} = \frac{x}{12} - \frac{2}{3}\), which is a polynomial.
3. \(2x^{3}+x^{2}\)
This expression is already a polynomial.
4. \(5x^{-1}\cdot 2\)
This simplifies to \(\frac{10}{x}\), which is not a polynomial (again has a negative exponent).
Among the given options, \((\frac {1}{3})(\frac {x}{4}-2)\) and \(2x^{3}+x^{2}\) both yield a polynomial. However, to show that polynomials form a closed system under multiplication, we specifically look to ensure that the multiplication of polynomials results in another polynomial.
Thus, while \((\frac {1}{3})(\frac {x}{4}-2)\) is a polynomial, what we want to establish closure is policy agreement on both capital \(2x^{3}+x^{2}\), which already is a polynomial. Although the only option indicating that upon multiplication the final result remains a polynomial would point towards, \(2x^{3}+x^{2}\) specifically does not denote a product.
Conclusively, none of options represent a multiplication result clearly demonstrating polynomial closure. The only clear polynomial is option \(2x^{3}+x^{2}\).
In terms of closure under multiplication with polynomials, we should choose:
**\(2x^{3}+x^{2}\)**
to express that the expression is already polynomial confirming closure basis.
However since option defines what denotes closure indicate represents stating we observe closure under the multiplication strictly whenever \(a, b \in R[x]\) thus:
\(\boxed{2x^{3}+x^{2}}\) and proportional representation conveys polynomial closure under multiplication rightfully.
1. \(5\cdot \frac {3}{x}\)
This expression simplifies to \(\frac{15}{x}\), which is not a polynomial (it has a negative exponent).
2. \((\frac {1}{3})(\frac {x}{4}-2)\)
This expression simplifies to \(\frac{1}{3} \cdot \frac{x}{4} - \frac{2}{3} = \frac{x}{12} - \frac{2}{3}\), which is a polynomial.
3. \(2x^{3}+x^{2}\)
This expression is already a polynomial.
4. \(5x^{-1}\cdot 2\)
This simplifies to \(\frac{10}{x}\), which is not a polynomial (again has a negative exponent).
Among the given options, \((\frac {1}{3})(\frac {x}{4}-2)\) and \(2x^{3}+x^{2}\) both yield a polynomial. However, to show that polynomials form a closed system under multiplication, we specifically look to ensure that the multiplication of polynomials results in another polynomial.
Thus, while \((\frac {1}{3})(\frac {x}{4}-2)\) is a polynomial, what we want to establish closure is policy agreement on both capital \(2x^{3}+x^{2}\), which already is a polynomial. Although the only option indicating that upon multiplication the final result remains a polynomial would point towards, \(2x^{3}+x^{2}\) specifically does not denote a product.
Conclusively, none of options represent a multiplication result clearly demonstrating polynomial closure. The only clear polynomial is option \(2x^{3}+x^{2}\).
In terms of closure under multiplication with polynomials, we should choose:
**\(2x^{3}+x^{2}\)**
to express that the expression is already polynomial confirming closure basis.
However since option defines what denotes closure indicate represents stating we observe closure under the multiplication strictly whenever \(a, b \in R[x]\) thus:
\(\boxed{2x^{3}+x^{2}}\) and proportional representation conveys polynomial closure under multiplication rightfully.
Answered by
GPT-4o mini
I apologize for any confusion in my previous response. Let's clarify the situation regarding which of the provided options shows that polynomials form a closed system under multiplication.
To determine if a response shows that polynomials are closed under multiplication, we need to check if multiplying the given expressions results in another polynomial.
1. **\(5\cdot \frac{3}{x}\)**:
This simplifies to \(\frac{15}{x}\), which is not a polynomial because it has a negative exponent.
2. **\((\frac{1}{3})(\frac{x}{4}-2)\)**:
This simplifies to \(\frac{1}{3} \cdot \frac{x}{4} - \frac{1}{3} \cdot 2 = \frac{x}{12} - \frac{2}{3}\). This is a polynomial because it has non-negative integer exponents.
3. **\(2x^{3}+x^{2}\)**:
This is already a polynomial as it consists only of terms with non-negative integer exponents.
4. **\(5x^{-1}\cdot 2\)**:
This simplifies to \(\frac{10}{x}\), which is again not a polynomial due to the negative exponent.
To summarize:
- **Option 1** and **Option 4** do not result in polynomials after multiplication.
- **Option 2** gives us a polynomial.
- **Option 3** is a polynomial as stated.
However, in the context of showing closure under multiplication specifically, we look for a multiplication expression:
None of the options provided explicitly showcase a multiplication between two polynomials that yields another polynomial result. If we only consider explicitly multiplication of polynomials (for closure sake), only choices confirm a singular polynomial definition without direct multipliers.
The only option that depicts the definition of being polynomial without transformations or negative exponent results yet does not provide multiplication predicates is \(2x^{3} + x^{2}\) but **doesn’t confirm multiplication closure**.
Thus, the correct assessment for identifying **a true multiplication product and closure under polynomial multiplication** isn't displayed clearly in any of the expressions given as is, thus any choice lacks displaying a complete aspect of multiplication exemplification correctly.
If you seek a choice aiming at understanding polynomial definition while confirming closures would only reflect results framing foundational formulations, therefore:
If engaged on requirement, **pick the one** substantially having polynomial aspects:
**Option: \(2x^{3} + x^{2}\)** validates as polynomial no transformation
Acknowledge the polynomial closure however isn't directly shown through multiplication perspectives given in question hence valid options are also identified overall.
To determine if a response shows that polynomials are closed under multiplication, we need to check if multiplying the given expressions results in another polynomial.
1. **\(5\cdot \frac{3}{x}\)**:
This simplifies to \(\frac{15}{x}\), which is not a polynomial because it has a negative exponent.
2. **\((\frac{1}{3})(\frac{x}{4}-2)\)**:
This simplifies to \(\frac{1}{3} \cdot \frac{x}{4} - \frac{1}{3} \cdot 2 = \frac{x}{12} - \frac{2}{3}\). This is a polynomial because it has non-negative integer exponents.
3. **\(2x^{3}+x^{2}\)**:
This is already a polynomial as it consists only of terms with non-negative integer exponents.
4. **\(5x^{-1}\cdot 2\)**:
This simplifies to \(\frac{10}{x}\), which is again not a polynomial due to the negative exponent.
To summarize:
- **Option 1** and **Option 4** do not result in polynomials after multiplication.
- **Option 2** gives us a polynomial.
- **Option 3** is a polynomial as stated.
However, in the context of showing closure under multiplication specifically, we look for a multiplication expression:
None of the options provided explicitly showcase a multiplication between two polynomials that yields another polynomial result. If we only consider explicitly multiplication of polynomials (for closure sake), only choices confirm a singular polynomial definition without direct multipliers.
The only option that depicts the definition of being polynomial without transformations or negative exponent results yet does not provide multiplication predicates is \(2x^{3} + x^{2}\) but **doesn’t confirm multiplication closure**.
Thus, the correct assessment for identifying **a true multiplication product and closure under polynomial multiplication** isn't displayed clearly in any of the expressions given as is, thus any choice lacks displaying a complete aspect of multiplication exemplification correctly.
If you seek a choice aiming at understanding polynomial definition while confirming closures would only reflect results framing foundational formulations, therefore:
If engaged on requirement, **pick the one** substantially having polynomial aspects:
**Option: \(2x^{3} + x^{2}\)** validates as polynomial no transformation
Acknowledge the polynomial closure however isn't directly shown through multiplication perspectives given in question hence valid options are also identified overall.
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