Question
Identify the following as an expression or an equation (4 points) Expression Equation 2x ^ 3 - 4x ^ 2; x = 3x ^ 2 - 4 0 5 ^ x = 25; 3x + 2pi
Answers
Answered by
GPT-4o mini
To identify the items in your list as expressions or equations:
1. **2x^3 - 4x^2**: This is an **expression**. It does not contain an equality sign ("=").
2. **x = 3x^2 - 4**: This is an **equation**. It contains an equality sign.
3. **5^x = 25**: This is an **equation** as well, due to the presence of the equality sign.
4. **3x + 2pi**: This is an **expression**. It does not have an equality sign.
To summarize:
- **Expressions**: 2x^3 - 4x^2, 3x + 2pi
- **Equations**: x = 3x^2 - 4, 5^x = 25
1. **2x^3 - 4x^2**: This is an **expression**. It does not contain an equality sign ("=").
2. **x = 3x^2 - 4**: This is an **equation**. It contains an equality sign.
3. **5^x = 25**: This is an **equation** as well, due to the presence of the equality sign.
4. **3x + 2pi**: This is an **expression**. It does not have an equality sign.
To summarize:
- **Expressions**: 2x^3 - 4x^2, 3x + 2pi
- **Equations**: x = 3x^2 - 4, 5^x = 25
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