Math Crossword Puzzle

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Across
  1. 3. unknown, letter taking a place
  2. 5. numbers set of numbers we deal with most of time
  3. 7. two ratios stated to be equal
  4. 9. numbers any positive integer larger than 1 whose only positive factors are itself and 1
  5. 12. value the distance from 0 on the number line
  6. 14. intercept the x-coordinate of the point where the graph crosses the x-axis
  7. 15. make simpler ratio-comparrison of two numbers by division
  8. 17. number associated with a point on the real number line
  9. 18. form ax+by=c
  10. 19. Common Denominator- the smallest number that is exactly divisible by each denominator
  11. 20. set equation with a set of all numbers that use to make a true statement
Down
  1. 1. numbers all numbers on the number line that cannot be expressed as the ratio of two integers
  2. 2. equations two or more equations with the same solution set
  3. 4. terms must have the same variable or group of variables with the same exponent
  4. 6. sequence adding the same amount to the number before it
  5. 8. numbers the same distance from zero but in opposite directions from zero
  6. 10. expression a statement that has a variable with an arithmetic operation
  7. 11. how many times to write down the base and multiply in between
  8. 13. terms two or more terms with the same variable part
  9. 16. intercept the y coordinate of the point where the graph crosses the y-axis