Algebra Crossword Puzzle

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Across
  1. 2. involving multiple steps to solve
  2. 3. f(x)
  3. 5. quantity of change
  4. 6. ordered pairs
  5. 10. a set of rules simplifying operations with powers
  6. 12. rewriting the radical in a more simpler way that is equivalent to the original
  7. 14. when two lines never intersact
  8. 15. every x has only one unique y
  9. 16. an equation with more than one variable, and every variable has an important characteristic
Down
  1. 1. the slope of the line and a point on the line
  2. 4. all inputs of xs and ys
  3. 7. an equation between two variables that gives a straight line when plotted on a graph
  4. 8. two statements that don't equal to each other
  5. 9. when two lines meet at one point
  6. 11. a rising or falling surface
  7. 13. Ax+By=C