Algebra Crossword Puzzle

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Across
  1. 2. lines with the opposite reciprocal slope
  2. 3. the point where a line crosses the y-axis
  3. 4. shifting a parent function left, right, up, down
  4. 6. shifting a parent function left, up, right, down, a vertical stretch or compression, and reflection.
  5. 11. output values (y-values) of a function
  6. 12. the point where a line crosses the x-axis
  7. 15. one x-value to every y-value
  8. 17. whole numbers and negative numbers; no fractions or decimals
  9. 18. set of pairs of input and output values
  10. 19. input values (x-values) of a function
  11. 20. a real number that can be written as a fraction
Down
  1. 1. when x increases, y increases; when x decreases, y decreases; y=kx
  2. 5. counting numbers and 0; no fractions, decimals, or negative numbers
  3. 7. the value of a number, regardless of its sign; distance away from 0
  4. 8. the steepness of a line
  5. 9. a real number that is not rational; cannot be written as a fraction
  6. 10. the simplest form in a set of functions that form a family.
  7. 13. where the x-axis and y-axis cross; (0,0)
  8. 14. a solution that does not work when substituted back into the equation
  9. 16. lines with the same slope