algebra cross word puzzle

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Across
  1. 4. the middle of a parabola
  2. 5. a straight line on a graph
  3. 7. the lowest point of a parabola
  4. 8. to put and connect lines on a graph
  5. 10. where do the points end and start on the y?
  6. 11. x^5
  7. 12. the point of where the axis of symmetry is
  8. 14. the highest point of a parabola
  9. 15. a variable put to the 2nd power
Down
  1. 1. x=ARN
  2. 2. y<5,y>3
  3. 3. graphed in a quadratic function
  4. 6. the spot where a line crosses through the y axis
  5. 9. 5x^3+2x^2+3
  6. 13. the part where a parabola crosses the x axis