Chapter 8 Vocabulary Crossword: Evangeline Murphy

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Across
  1. 2. a vertical line that has no slope
  2. 4. the y coordinate of a point where a graph intersects the y axis since the point is on the y axis its x coordinate is 0
  3. 8. the x- and y-axes in a number plane
  4. 9. the intersection of the axes on a number plane. the zero point on each axis
  5. 11. the x coordinate of the point where a line crosses the x axis
  6. 14. the horizontal number line in a number plane; the x-axis
  7. 16. Slope a horizontal line has a slope of 0
  8. 18. points that lie on the same line
  9. 20. lines in the same plane that do not intersect.Lines with the same slope and different y intercepts are parallel.
  10. 21. the first coordinate in a ordered pair of numbers; the x-axis
  11. 22. y=mx+b
  12. 23. lines that form right angles
  13. 25. the y coordinate in ordered pairs least to greatest
Down
  1. 1. the slope of a line that falls from left to right is negative
  2. 3. A pair of numbers for which the order of the numbers is important
  3. 5. the x coordinates in ordered pairs least to greatest no repeats
  4. 6. An equation whose graph is a line
  5. 7. horizontal, 0 slope, y equals, vertical, undefined, x equals
  6. 10. the vertical number line in a number plane;the y-axis
  7. 12. One of the four regions into which the coordinate axes separate a number plane
  8. 13. A number plane; a plane in which a coordinate system has been set up
  9. 15. y-y1=m(x-x1)
  10. 17. ax+by=c
  11. 19. rise over run
  12. 24. the slope of a line that rises from left to right is positive