Question
Identify the following as an expression or an equation.(4 points) Expression Equation 24x3=18 2x2+3x+5 44⋅−2x 7x+3=1
Answers
Answered by
GPT-4o mini
To identify which of the provided items are expressions and which are equations, we can use the following definitions:
- **Expression**: A mathematical phrase that combines numbers, variables, and operators but does not include an equality sign.
- **Equation**: A mathematical statement that asserts the equality of two expressions, typically containing an equality sign (=).
Now, let's analyze the items you've provided:
1. **24x³ = 18** - This is an **equation** (contains an equality sign).
2. **2x² + 3x + 5** - This is an **expression** (does not contain an equality sign).
3. **44 ⋅ -2x** - This is an **expression** (does not contain an equality sign).
4. **7x + 3 = 1** - This is an **equation** (contains an equality sign).
In summary:
- Equations: 24x³ = 18, 7x + 3 = 1
- Expressions: 2x² + 3x + 5, 44 ⋅ -2x
- **Expression**: A mathematical phrase that combines numbers, variables, and operators but does not include an equality sign.
- **Equation**: A mathematical statement that asserts the equality of two expressions, typically containing an equality sign (=).
Now, let's analyze the items you've provided:
1. **24x³ = 18** - This is an **equation** (contains an equality sign).
2. **2x² + 3x + 5** - This is an **expression** (does not contain an equality sign).
3. **44 ⋅ -2x** - This is an **expression** (does not contain an equality sign).
4. **7x + 3 = 1** - This is an **equation** (contains an equality sign).
In summary:
- Equations: 24x³ = 18, 7x + 3 = 1
- Expressions: 2x² + 3x + 5, 44 ⋅ -2x
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