chapter 3 vocab

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Across
  1. 5. the vertical number line on a coordinate plane
  2. 7. the horizontal number line on a coordinate plane
  3. 8. the four regions of a coordinate plane separated by the x-axes and y-axes
  4. 9. a line that divides a figure into two halves that are reflections of each other
  5. 13. of numbers and their opposites
  6. 15. a plane formed by a horizontal line called the x-axes and a vertical line called the y-axis
  7. 16. the point where the two axes of a coordinate plane intersect
Down
  1. 1. the distance of an integer from zero on a number line
  2. 2. two numbers that are the same distance, but in opposite direction, from zero on a number line
  3. 3. any number that can be written as a ratio a/b where a and b are integers and b doesn't equal 0
  4. 4. any integer less than zero
  5. 6. the second number in an ordered pair; tells the distance to move up or down from (0,0)
  6. 10. a pair of numbers used to locate a point on a grid
  7. 11. any integer more than zero
  8. 12. the first number in an ordered pair; tells the distance to move right or left from (0,0)
  9. 14. a figure has a line symmetry if it can be folded about a line so that it's two parts match exactly