maths

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Across
  1. 3. a method to find roots/zeroes of a quadratic equation
  2. 5. b^2 - 4ac has 2 _____ real roots
  3. 7. roots and _____ are equal
  4. 9. b^2 - 4ac is called ____
  5. 10. b^2 - 4ac < 0 has no ___ roots
Down
  1. 1. ax^2+bx+c=0 is _______ form of a quadratic equation
  2. 2. a real number alpha is called a _____ of quadratic equation
  3. 4. if b^2 - 4ac < 0 then there is no ______ whose square is b^2 - 4ac
  4. 6. a polynomial of degree 2 is called _____
  5. 8. b^2 - 4ac > 0 has 2 _____ real roots