Review

Factor the following perfect square trinomials.

  1. \(x^2 + 8x + 16\)

  2. \(x^2 - 18x + 81\)

  3. \(-x^2 + 24x -144\)

  4. \(x^2 + 14x + 49\)

  5. \(4x^2 - 4x + 1\)

  6. \(25x^2 + 60x + 36\)

  7. \(4x^2 - 12xy + 9y^2\)

  8. \(x^4 + 22x^2 + 121\)