Pregunta
Which operations are used in the expression \( 2 x-4 \) ? Choose ALL that multiplication subtraction Which statement describes the expression \( 2 x-4 \) ? a 2 minus the product of 4 and a number 2 less than 4 times a number 4 minus the product of 2 and a number
Ask by Griffin Cook. in the United States
Jan 27,2025
Solución de tutoría real
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Responder
Operations used: multiplication and subtraction.
None of the provided statements correctly describe the expression \( 2x - 4 \).
Solución
Let's analyze the expression \( 2x - 4 \) step by step.
1. **Identify the operations used in the expression:**
- The expression consists of two operations:
- **Multiplication:** The term \( 2x \) indicates that 2 is multiplied by \( x \).
- **Subtraction:** The expression includes a subtraction of 4 from \( 2x \).
Therefore, the operations used in the expression \( 2x - 4 \) are **multiplication** and **subtraction**.
2. **Choose the correct statement that describes the expression \( 2x - 4 \):**
- Let's evaluate each statement:
- **Statement a:** "2 minus the product of 4 and a number" - This is incorrect because it suggests \( 2 - 4y \) for some number \( y \), which does not match \( 2x - 4 \).
- **Statement b:** "2 less than 4 times a number" - This is incorrect because it suggests \( 4y - 2 \), which does not match \( 2x - 4 \).
- **Statement c:** "4 minus the product of 2 and a number" - This is incorrect because it suggests \( 4 - 2y \), which does not match \( 2x - 4 \).
None of the statements accurately describe the expression \( 2x - 4 \). The correct interpretation of \( 2x - 4 \) is "the product of 2 and a number \( x \), minus 4."
In summary:
- Operations used: **Multiplication** and **Subtraction**.
- None of the provided statements correctly describe the expression \( 2x - 4 \).
Revisado y aprobado por el equipo de tutoría de UpStudy
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The Deep Dive
In the expression \( 2x - 4 \), the operations used are multiplication (where 2 is multiplied by the variable \( x \)) and subtraction (where 4 is subtracted from the product of \( 2 \) and \( x \)). To describe the expression correctly, the best choice is "2 less than 4 times a number." This means that when you have 4 times some number (which is \( 4x \)) and you take away 2, you get \( 2x - 4 \). So, it's capturing that relationship between the parts beautifully!
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