GED Practice

GED Math Review: Parallel and Perpendicular Lines


Questions:

Directions: Choose the best response for each problem.


  1. The two linear equations y = 1/4x + 5 and y = 4x - 7 are.
    • parallel
    • perpendicular
    • neither parallel nor perpendicular
  2. The two linear equations x + 3x = 9 and 3x - y = 1 are.
    • parallel
    • perpendicular
    • neither parallel nor perpendicular
  3. Which of the following is parallel to 5x + 2y = 1?
    • y = 5/2x - 1
    • y = 2/5x + 3
    • y = -2/5x + 1
    • y = -5/2x - 7
  4. Which of the following is parallel to y = -4/3x + 5
    • 3x + 4y = 2
    • 4x - 3y = 14
    • -3x + 4y = 3
    • -4x - 3y = -9
  5. A line parallel to 2x - 3y = 0 must have a slope of __________.
    • 2/3
    • 3/2
    • -2/3
    • -3/2
  6. Which of the following is perpendicular to 4x + 2y = 3?
    • y = -2 + 3
    • y = 2x - 5
    • y = -1/2x + 1
    • y = 1/2x -12
  7. Which of the following is perpendicular to y = 5/4x + 5?
    • -4x + 5y = -3
    • -4x - 5y = 5
    • -5x + 4y = 10
    • 5x + 4y = -1
  8. A line perpendicular to 7x + 2y = 6 must have a slope of __________.
    • 7/2
    • -7/2
    • 2/7
    • -2/7
Answer:

  1. neither parallel nor perpendicular
  2. perpendicular
  3. y = -5/2x - 7
  4. -4x - 3y = -9
  5. 2/3
  6. y = 1/2x -12
  7. -4x - 5y = 5
  8. 2/7





Reference:




Complete Test Preparation for the GED Test 2014 by Steck-Vaughn