Calculus

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Across
  1. 2. ax^2+bx+c
  2. 3. minimum or maximum
  3. 7. adjacent/hypotenuse
  4. 8. opposite/adjacent
  5. 9. x^2+y^2=25
Down
  1. 1. r,theta
  2. 4. a(1)x^n+a(2)x^n-1...bx+c
  3. 5. opposite/hypotenuse
  4. 6. rule of signs