Algebra crossword

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Across
  1. 3. plane curve generated by a point moving so
  2. 5. a line that we draw from top to bottom
  3. 7. a value for which a given function equals zero
  4. 9. a point at which a functions value is at its lowest
  5. 12. the highest point, the top or apex
  6. 13. one shape is exactly like the other shape when it is moved, rotated or flipped
Down
  1. 1. numerical measure of a lines inclination relative to the horizontal
  2. 2. involving the second and no higher power of an unknown quantity or variable
  3. 4. how far left or right you move from point to point
  4. 6. how many units you move up or down from point to point
  5. 8. an equation that has only one answer for y for every x
  6. 9. a point at which a functions value is greatest
  7. 10. a line with respect to which curve or figure is drawn, measured, rotated, etc.
  8. 11. use to simplify an algebraic expression by finding the greatest common factor