Algebra 1 vocabulary cross word puzzle

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Across
  1. 2. the letter that takes place of a missing value in equation
  2. 4. a line that equally splits a parabola
  3. 5. solution
  4. 9. the b in y=mx+b
  5. 10. two right angles that intersect
  6. 11. all x values in function
  7. 12. all y value in function
Down
  1. 1. Difference in y over difference in x
  2. 3. y=0
  3. 6. Two lines that never intersect
  4. 7. Another word for solution on x axis
  5. 8. The maximum and minimum of a parabola