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Find the product of \( (-d+e)(4 e+d) \). Which statements are true? Check all that apply. There are 2 terms in the product. There are 3 terms in the product. There are 4 terms in the product. The product is degree 1 . The product is degree 2 . The product is degree 4 .

Ask by Romero Luna. in the United States
Feb 18,2025

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Tutor-Verified Answer

Answer

There are 3 terms in the product, and the product is degree 2.

Solution

Simplify the expression by following steps: - step0: Multiply the terms: \(\left(-d+e\right)\left(4e+d\right)\) - step1: Apply the distributive property: \(-d\times 4e-d\times d+e\times 4e+ed\) - step2: Reorder the terms: \(-4ed-d^{2}+4e^{2}+ed\) - step3: Add the terms: \(-3ed-d^{2}+4e^{2}\) Let's find the product of \( (-d+e)(4e+d) \). 1. **Expand the expression**: \[ (-d+e)(4e+d) = -d \cdot 4e + -d \cdot d + e \cdot 4e + e \cdot d \] This simplifies to: \[ -4de - d^2 + 4e^2 + ed \] Combining like terms gives: \[ -3de - d^2 + 4e^2 \] 2. **Count the terms**: The expanded expression is: \[ -3de - d^2 + 4e^2 \] This has **3 distinct terms**: \(-3de\), \(-d^2\), and \(4e^2\). 3. **Determine the degree**: - The degree of a term is the sum of the exponents of the variables in that term. - The term \(-3de\) has a degree of \(1 + 1 = 2\). - The term \(-d^2\) has a degree of \(2\). - The term \(4e^2\) has a degree of \(2\). - Therefore, the highest degree among the terms is \(2\). Now, let's evaluate the statements: - **There are 2 terms in the product.** (False) - **There are 3 terms in the product.** (True) - **There are 4 terms in the product.** (False) - **The product is degree 1.** (False) - **The product is degree 2.** (True) - **The product is degree 4.** (False) ### True Statements: - There are 3 terms in the product. - The product is degree 2.

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To find the product of \( (-d+e)(4e+d) \), we can use the distributive property (also known as the FOIL method for binomials). Calculating the product: \[ (-d)(4e) + (-d)(d) + (e)(4e) + (e)(d) = -4de - d^2 + 4e^2 + ed \] Now, combining like terms, we have: \[ - d^2 + (ed - 4de) + 4e^2 \] This simplifies to: \[ -d^2 - 3de + 4e^2 \] Now, we analyze the statements: 1. **There are 2 terms in the product.** - False, there are 3 terms. 2. **There are 3 terms in the product.** - True, the simplified expression has \( -d^2, -3de, \) and \( 4e^2 \), which are three distinct terms. 3. **There are 4 terms in the product.** - False, there are only 3 distinct terms. 4. **The product is degree 1.** - False, the highest degree term is \( -d^2 \), which is degree 2. 5. **The product is degree 2.** - True, because the term with the highest exponent is degree 2. 6. **The product is degree 4.** - False, the highest degree is 2. To summarize, the true statements are: - There are 3 terms in the product. - The product is degree 2.

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