Pregunta
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Match the operation with its inverse operation you would use to solve an equation for a variable. (7 points) \( \square \) Addition \( \square \) Multiplication \( \square \) Subtraction Division \( \sqrt{x} \) \( x^{2} \) \( \sqrt[3]{x} \) Addition : \( : \sqrt{x} \) Division Multiplication Subtraction : \( x^{3} \) : \( x^{2} \)

Ask by Coleman Spencer. in the United States
Mar 17,2025

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- Addition: Subtraction - Multiplication: Division - Subtraction: Addition - Square Root: Squaring (\( x^{2} \)) - Cubed Root: Cubing (\( x^{3} \))

Solución

To match each operation with its corresponding inverse operation, we can analyze each operation and determine what operation would reverse its effect. Here’s the breakdown: 1. **Addition**: The inverse operation is **Subtraction**. - If you add a number to a variable, you can subtract that same number to isolate the variable. 2. **Multiplication**: The inverse operation is **Division**. - If you multiply a variable by a number, you can divide by that same number to isolate the variable. 3. **Subtraction**: The inverse operation is **Addition**. - If you subtract a number from a variable, you can add that same number back to isolate the variable. 4. **Square Root**: The inverse operation is **Squaring** (or raising to the power of 2). - If you take the square root of a variable, squaring it will return to the original value. 5. **Cubed Root**: The inverse operation is **Cubing** (or raising to the power of 3). - If you take the cube root of a variable, cubing it will return to the original value. Now, let's match them: - **Addition**: \( \square \) **Subtraction** - **Multiplication**: \( \square \) **Division** - **Subtraction**: \( \square \) **Addition** - **Square Root**: \( \sqrt{x} \) \( \square \) **Squaring** \( (x^{2}) \) - **Cubed Root**: \( \sqrt[3]{x} \) \( \square \) **Cubing** \( (x^{3}) \) So the final matches are: - Addition: **Subtraction** - Multiplication: **Division** - Subtraction: **Addition** - \( \sqrt{x} \): \( x^{2} \) - \( \sqrt[3]{x} \): \( x^{3} \)

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The Deep Dive

When you're working with operations and their inverses, think of it like a dance! Addition's partner is subtraction, so if you're adding something to isolate a variable, you'll need to subtract it away. Similarly, multiplication and division are joined at the hip, meaning if you multiplied a variable, you can divide to bring it back to its original state. Now, when it comes to dealing with roots and powers, like taking the square root or cubing, it’s all about undoing what you did! If you have \( \sqrt{x} \), then squaring it gets you back to \( x \). The same goes for \( \sqrt[3]{x} \) and cubic powers: take the cube and you can use the root to reverse the action!

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