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What is the value of k if the roots of the equation x^2 - 5x + k = 0 are equal? (2020)

Practice Questions

1 question
Q1
What is the value of k if the roots of the equation x^2 - 5x + k = 0 are equal? (2020)
  1. 6.25
  2. 5
  3. 4
  4. 3

Questions & Step-by-step Solutions

1 item
Q
Q: What is the value of k if the roots of the equation x^2 - 5x + k = 0 are equal? (2020)
Solution: For the roots to be equal, the discriminant must be zero. Thus, (-5)^2 - 4(1)(k) = 0. Solving gives k = 6.25.
Steps: 0

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