Addy's puzzle

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Across
  1. 1. The solutions to a polynomial equation
  2. 4. A relation where each input has one output
  3. 7. The set of all possible y-values of a function
  4. 8. A rectangular array used in linear systems
  5. 10. A symbol representing a root
  6. 12. Indicates how many times a base is multiplied
  7. 15. An ordered list of numbers with a pattern
  8. 16. The set of all possible x-values in a function
  9. 17. The U-shaped graph of a quadratic function
  10. 18. Part of the quadratic formula that determines the number of solutions
Down
  1. 2. To move, flip, stretch, or shrink a graph
  2. 3. An expression with multiple terms and whole number exponents
  3. 5. A numerical factor multiplied by a variable
  4. 6. The turning point of a parabola
  5. 9. Breaking a polynomial into simpler expressions
  6. 11. A function that reverses the effect of another
  7. 13. An equation of the form ax^2+bx+c=0
  8. 14. A number that includes both real and imaginary parts