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If x = 2, evaluate: 3x^2 + 4x - 5

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Question: If x = 2, evaluate: 3x^2 + 4x - 5

Options:

  1. 5
  2. 7
  3. 9
  4. 11

Correct Answer: 9

Solution: 

Substituting x = 2: 3(2^2) + 4(2) - 5 = 3(4) + 8 - 5 = 12 + 8 - 5 = 15.

If x = 2, evaluate: 3x^2 + 4x - 5

Practice Questions

Q1
If x = 2, evaluate: 3x^2 + 4x - 5
  1. 5
  2. 7
  3. 9
  4. 11

Questions & Step-by-Step Solutions

If x = 2, evaluate: 3x^2 + 4x - 5
  • Algebraic Evaluation – The question tests the ability to substitute a value into a polynomial expression and perform arithmetic operations.
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