Question
Identify the following as an expression or an equation.(4 points)
5x^2−8x+2
−3x^3=82
2x−5=4
21⋅−3^x
5x^2−8x+2
−3x^3=82
2x−5=4
21⋅−3^x
Answers
GPT-4o mini
Let's classify each of the provided mathematical statements as an expression or an equation:
1. **5x² - 8x + 2** - This is an **expression**. It does not include an equals sign.
2. **−3x³ = 82** - This is an **equation**. It includes an equals sign.
3. **2x − 5 = 4** - This is also an **equation**. It includes an equals sign.
4. **21 ⋅ −3^x** - This is an **expression**. It does not include an equals sign.
In summary:
- 5x² - 8x + 2: **Expression**
- −3x³ = 82: **Equation**
- 2x − 5 = 4: **Equation**
- 21 ⋅ −3^x: **Expression**
1. **5x² - 8x + 2** - This is an **expression**. It does not include an equals sign.
2. **−3x³ = 82** - This is an **equation**. It includes an equals sign.
3. **2x − 5 = 4** - This is also an **equation**. It includes an equals sign.
4. **21 ⋅ −3^x** - This is an **expression**. It does not include an equals sign.
In summary:
- 5x² - 8x + 2: **Expression**
- −3x³ = 82: **Equation**
- 2x − 5 = 4: **Equation**
- 21 ⋅ −3^x: **Expression**