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Find the value of k if the equation x² + kx + 16 = 0 has no real roots. (2022)

Practice Questions

1 question
Q1
Find the value of k if the equation x² + kx + 16 = 0 has no real roots. (2022)
  1. k < 8
  2. k > 8
  3. k < 0
  4. k > 0

Questions & Step-by-step Solutions

1 item
Q
Q: Find the value of k if the equation x² + kx + 16 = 0 has no real roots. (2022)
Solution: For no real roots, the discriminant must be less than zero: k² - 4*1*16 < 0, which gives k > 8.
Steps: 0

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