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

Expression Equation
24x3=18

2x2+3x+5

7x+3=1

44⋅−2x

1 answer

To identify each item as an expression or an equation:

  1. 24x³ = 18 - Equation (because it contains an equals sign)

  2. 2x² + 3x + 5 - Expression (there is no equals sign)

  3. 7x + 3 = 1 - Equation (because it contains an equals sign)

  4. 44 ⋅ −2x - Expression (there is no equals sign)

So, to summarize:

  • Equation: 24x³ = 18; 7x + 3 = 1
  • Expression: 2x² + 3x + 5; 44 ⋅ −2x