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The roots of the equation x² + 4x + k = 0 are 2 and -6. What is the value of k? (2021)

Practice Questions

1 question
Q1
The roots of the equation x² + 4x + k = 0 are 2 and -6. What is the value of k? (2021)
  1. -12
  2. -8
  3. -10
  4. -14

Questions & Step-by-step Solutions

1 item
Q
Q: The roots of the equation x² + 4x + k = 0 are 2 and -6. What is the value of k? (2021)
Solution: Using the product of roots: k = 2 * (-6) = -12. The sum is 2 + (-6) = -4, which matches.
Steps: 0

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