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If the roots of the equation x^2 - 6x + k = 0 are 3 and 3, what is the value of k? (2020)

Practice Questions

1 question
Q1
If the roots of the equation x^2 - 6x + k = 0 are 3 and 3, what is the value of k? (2020)
  1. 6
  2. 9
  3. 12
  4. 15

Questions & Step-by-step Solutions

1 item
Q
Q: If the roots of the equation x^2 - 6x + k = 0 are 3 and 3, what is the value of k? (2020)
Solution: The equation can be expressed as (x - 3)^2 = 0, which expands to x^2 - 6x + 9 = 0. Thus, k = 9.
Steps: 0

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