coordinate algebra

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Across
  1. 3. Terms/terms that contain the same variables
  2. 4. point of intersection of the two axes in the coordinate plane.
  3. 10. first number of an ordered pair.
  4. 11. draw or plot the points on a
  5. 14. sum of two monomials
  6. 17. equation that states a rule for the relationship between certain quantities.
  7. 18. a comparison of two quantities or numbers that are measured in the same units. A ratio can be expressed as a/b
  8. 19. Number/Any number that is less than zero.
  9. 20. Line/A line with equal distances marked off to represent numbers.
Down
  1. 1. numbers/can be expressed as {0,1,2,3,...}.
  2. 2. the sum of three monomials, assuming that like terms have been combined
  3. 5. a monomial or a sum of monomials.
  4. 6. mathematical sentence that compares two expressions linked by an equals sign (=).
  5. 7. Pair/a pair of numbers used to locate points in the coordinate plane.
  6. 8. second number of an ordered pair
  7. 9. a ratio that compares a number to 100.
  8. 12. set of all first (x-) coordinates from the ordered pairs in a relation.
  9. 13. value/is the distance the number is from the zero point on the number line.
  10. 15. set of numbers represented as {..., -3, -2, -1, 0, 1, 2, 3,...}.
  11. 16. Plane/the plane containing the x- and y- axes