Identify the following as an expression or an equation(4 points)

Question

Expression Equation
2x3−4x2

x=3x2−4

5x=25

3x+2π

Answer 1

Let's classify each of the provided items as either an expression or an equation:

1. 2x³−4x² - Expression (It does not have an equal sign.)

2. x=3x²−4 - Equation (It has an equal sign.)

3. 5x=25 - Equation (It has an equal sign.)

4. 3x+2π - Expression (It does not have an equal sign.)

In summary:

• Expressions: 2x³−4x², 3x+2π
• Equations: x=3x²−4, 5x=25