Math crossword

1234567891011121314151617181920
Across
  1. 3. Is where the only common factor of a numerator and denominator is 1
  2. 4. A whole number greater than or equal to 2 that has exactly two positive factors, 1 and itself
  3. 7. A number that can be represented by a non-repeating, non-terminating decimal
  4. 11. The set of counting numbers
  5. 12. The horizontal number line of a coordinate plane
  6. 13. Answer to a multiplication problem
  7. 14. Answer to a division problem.
  8. 15. An up-turned or down-turned U-shaped graph
  9. 16. A pair of numbers (x, y) used to identify a point in a coordinate plane
  10. 19. Answer to an addition problem.
  11. 20. A measure of steepness of a line, represented by m
Down
  1. 1. The vertical number line of a coordinate plane
  2. 2. A letter that represents one or more numbers
  3. 3. A line with slope m and y-intercept b has an equation y=mx+b
  4. 5. One of the four regions into which coordinate axes divides a plane
  5. 6. Answer to a subtraction problem.
  6. 8. The difference in the x-values of two points on a line
  7. 9. The intersection of the x axis and y axis on the coordinate plane
  8. 10. A ratio that compares two quantities measured in different units
  9. 17. The difference in the y-values of two points on a line
  10. 18. The set of whole numbers and their opposites