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Which of the following represents the roots of the equation 2x^2 - 8 = 0?

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Question: Which of the following represents the roots of the equation 2x^2 - 8 = 0?

Options:

  1. -2 and 2
  2. 0 and 4
  3. 2 and -2
  4. 4 and -4

Correct Answer: -2 and 2

Solution: 

First, simplify the equation: 2x^2 = 8, so x^2 = 4. The roots are x = ±2.

Which of the following represents the roots of the equation 2x^2 - 8 = 0?

Practice Questions

Q1
Which of the following represents the roots of the equation 2x^2 - 8 = 0?
  1. -2 and 2
  2. 0 and 4
  3. 2 and -2
  4. 4 and -4

Questions & Step-by-Step Solutions

Which of the following represents the roots of the equation 2x^2 - 8 = 0?
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