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Parallel and Perpendicular Lines

Practice

Answers

  1. \(\dfrac{1}{10}\)

  2. \(1\)

  3. \(-\dfrac{8}{7}\)

  4. it is horizontal

  5. \(8\)

  6. \(-9\)

  7. \(\dfrac{1}{5}\)

  8. \(1\)

  9. \(1\)

  10. \(0\)

  11. \(-\dfrac{4}{3}\)

  12. \(-\dfrac{7}{8}\)

  13. \(y=3x−20\)

  14. \(y=−x\)

  15. \(y=−6\)

  16. \(x=−6\)

  17. \(y=\dfrac{1}{2}x+10\)

  18. \(y=−x−13\)

  19. \(x=8\)

  20. \(y=10\)