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The sum of the roots of the quadratic equation 2x^2 - 8x + 6 = 0 is equal to wha

Practice Questions

Q1
The sum of the roots of the quadratic equation 2x^2 - 8x + 6 = 0 is equal to what? (2020)
  1. 2
  2. 4
  3. 6
  4. 8

Questions & Step-by-Step Solutions

The sum of the roots of the quadratic equation 2x^2 - 8x + 6 = 0 is equal to what? (2020)
  • Step 1: Identify the coefficients of the quadratic equation. The equation is 2x^2 - 8x + 6 = 0. Here, a = 2, b = -8, and c = 6.
  • Step 2: Use the formula for the sum of the roots of a quadratic equation, which is -b/a.
  • Step 3: Substitute the value of b into the formula. Since b = -8, we have -(-8)/2.
  • Step 4: Simplify the expression. This becomes 8/2.
  • Step 5: Calculate the result. 8 divided by 2 equals 4.
  • Step 6: Conclude that the sum of the roots of the quadratic equation is 4.
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