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If the quadratic equation x^2 + px + q = 0 has roots 3 and 4, what is the value of p + q? (2023)

Practice Questions

1 question
Q1
If the quadratic equation x^2 + px + q = 0 has roots 3 and 4, what is the value of p + q? (2023)
  1. 7
  2. 12
  3. 10
  4. 11

Questions & Step-by-step Solutions

1 item
Q
Q: If the quadratic equation x^2 + px + q = 0 has roots 3 and 4, what is the value of p + q? (2023)
Solution: Using Vieta's formulas, p = -(3 + 4) = -7 and q = 3 * 4 = 12. Therefore, p + q = -7 + 12 = 5.
Steps: 0

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