Math crossword puzzle

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Across
  1. 1. a straight line on a graph is
  2. 3. Numbers that are multiplied together to get a product
  3. 6. The point where the
  4. 7. all the y factors
  5. 8. a number that determines how steep the line is
  6. 10. Flipping a line without changing its size or shape
  7. 11. The abbreviation of axis of symmetry
  8. 14. A single fixed number unlike a variable
  9. 17. a "U" shaped line on a graph is
  10. 20. An expression with two algebraic terms
  11. 21. Numbers above zero
  12. 25. All the x-factors
  13. 26. Numbers below zero
  14. 27. The lowest or highest point of a quadratic line
  15. 28. A curve on a graph
  16. 29. An expression that is used to get a value
Down
  1. 2. A ratio that compares two quantities measured in different units
  2. 4. The study of algebraic expressions and graphing them
  3. 5. The point where the line crosses the x-axis or when y is 0
  4. 9. a shift of a graph to either the sides or up and down or both
  5. 12. A set of points plotted on a graph
  6. 13. An expression with more than two algebraic terms
  7. 15. An expression with three algebraic terms
  8. 16. A symbol like x or y that is used in expressions or equations to represent a variable quantity
  9. 18. A set of ordered pairs
  10. 19. A notation indicating the number of times a quantity is multiplied by itself
  11. 22. A line the gradually gets steeper
  12. 23. Whole numbers and their opposites, negative numbers
  13. 24. An expression that is put into another expression that can be multiplied by another expression to get the original expression