Need Algebra help (QUICK)

1. Which of the following methods would be the easiest to use to solve x2 – 6 = 0?

  factoring

  isolating the x2 term and finding the square root of both sides

  using the quadratic formula

  all three methods would be easy and effective

2. Which of the following methods would be the easiest to use to solve 2×2 + 5x – 11 = 0?

  factoring

  isolating the x2 term and finding the square root of both sides

  using the quadratic formula

  all three methods would be easy and effective

3. Which of the following methods would be the easiest to use to solve x2 + 6x – 7 = 0?

  factoring

  isolating the x2 term and finding the square root of both sides

  using the quadratic formula

  all three methods would be easy and effective

5. Which equation would be the best to solve by completing the square?

  x2 = 36

  x2 + 11x = 40

  3×2 + 4x = –2

  x2 + 8x = 20