Ch 3 Vocab

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