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If x = 3, evaluate: 2x^2 + 3x - 5

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Question: If x = 3, evaluate: 2x^2 + 3x - 5

Options:

  1. 10
  2. 12
  3. 8
  4. 14

Correct Answer: 12

Solution: 

Substituting x = 3: 2(3^2) + 3(3) - 5 = 2(9) + 9 - 5 = 18 + 9 - 5 = 22.

If x = 3, evaluate: 2x^2 + 3x - 5

Practice Questions

Q1
If x = 3, evaluate: 2x^2 + 3x - 5
  1. 10
  2. 12
  3. 8
  4. 14

Questions & Step-by-Step Solutions

If x = 3, evaluate: 2x^2 + 3x - 5
  • Algebraic Evaluation – The question tests the ability to substitute a value into a polynomial expression and perform arithmetic operations.
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