Math Project

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Across
  1. 3. The horizontal number line in a coordinate graph
  2. 5. The first coordinate of an ordered pair or an ordered triple.
  3. 8. Another name for reciprocal.
  4. 10. segment Part of a line connecting two points
  5. 11. This symbol <
  6. 12. This symbol >
  7. 13. Make (something) simpler
  8. 14. Two angles that add up to 90 degrees
  9. 16. of equality If a = b, then a + c = b + c.
  10. 18. How steep a straight line is
  11. 19. An angle whose measure is between 0° and 90º
  12. 20. The y-coordinate of a point where a graph crosses the y-axis
  13. 21. To make smaller
Down
  1. 1. The vertical number line in a coordinate graph
  2. 2. Having the same ratio
  3. 4. The second coordinate of an ordered pair
  4. 6. A number that can only be divided evenly by one or itself
  5. 7. For any real number x: x times 0 = 0
  6. 9. Two Angles that add up to 180 degrees
  7. 15. The number zero. When you add zero to any number, you do not change its identity
  8. 17. To multiply a number by its opposite