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What is the value of k if x^2 - kx + 12 has roots 3 and 4?

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Question: What is the value of k if x^2 - kx + 12 has roots 3 and 4?

Options:

  1. 7
  2. 12
  3. 9
  4. 8

Correct Answer: 7

Solution: 

Using the sum of roots, 3 + 4 = k, we find k = 7.

What is the value of k if x^2 - kx + 12 has roots 3 and 4?

Practice Questions

Q1
What is the value of k if x^2 - kx + 12 has roots 3 and 4?
  1. 7
  2. 12
  3. 9
  4. 8

Questions & Step-by-Step Solutions

What is the value of k if x^2 - kx + 12 has roots 3 and 4?
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