Section 7.8: Review Exercises

Test your understanding of factoring techniques, quadratic solutions, and applications.

Review Problems

  1. Factor completely: \( x^2 + 7x + 12 \)
  2. Factor: \( x^2 - 9x + 20 \)
  3. Solve: \( x^2 - 4x - 12 = 0 \)
  4. Solve: \( 2x^2 + 5x - 3 = 0 \)
  5. Word problem: The product of two consecutive integers is 56. Find the integers.
  6. Solve by factoring: \( x^2 + 6x + 9 = 0 \)
  7. Find dimensions of a rectangle with area \( x^2 + 8x + 15 \)
  8. Solve: \( 3x^2 - 12x = 0 \)
  9. Solve: \( x^2 - x - 6 = 0 \)
  10. Mixed practice: \( x^2 - 10x + 21 = 0 \)