Mathematics Crossword

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Across
  1. 1. What is the point on a graph that lies at (0,0)?
  2. 4. What is the slope of a line perpendicular to y=-1/8x+4?
  3. 5. What is the x-intercept of 2x+2y=30?
  4. 7. Are these lines perpendicular/parallel: y=6x+5 & y=6x-1?
  5. 10. What is the x-intercept of -50x+2y=200?
  6. 16. What is the slope of y= -3x+4?
  7. 18. What is the slope of y=10/2x+10?
  8. 19. To find the y-intercept, what does x equal?
  9. 20. What is the slope of a line perpendicular to y=-1/2x+3?
Down
  1. 1. What is the slope of y=x?
  2. 2. What is the slope of -6/3 x+2?
  3. 3. What is the negative inverse of -1/7?
  4. 6. Two lines are parallel if they have the same ____?
  5. 8. Tell if these lines are parallel or perpendicular: y=6x+4 and y=-1/6x+4?
  6. 9. What is the slope of the line y= -6x+1?
  7. 10. What is the y-intercept of x+4y=36?
  8. 11. What is the slope of y=3x+2?
  9. 12. The line is __________if the slope is undefined.
  10. 13. What is the x-intercept of 6x+2y=24?
  11. 14. What is the y-intercept of 2x-4y=20?
  12. 15. What is the y-intercept of 4x+3y=30?
  13. 17. The line is ___________ if the slope is zero.