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The roots of the equation x^2 - 10x + 21 = 0 are: (2020)

Practice Questions

1 question
Q1
The roots of the equation x^2 - 10x + 21 = 0 are: (2020)
  1. 3 and 7
  2. 4 and 6
  3. 5 and 5
  4. 2 and 8

Questions & Step-by-step Solutions

1 item
Q
Q: The roots of the equation x^2 - 10x + 21 = 0 are: (2020)
Solution: Factoring gives (x - 3)(x - 7) = 0, so the roots are 3 and 7.
Steps: 0

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