QUADRATIC EQUATIONS

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Across
  1. 3. A quadratic equation will have 2 _______ and real roots if the discriminant is equal to zero. (5 letters)
  2. 4. We express a quadratic equation as a ________ for finding its solution by the method of completing the squares. (13 letters)
  3. 6. A quadratic equation will have 2 distinct real roots if the __________ is greater than zero. (12 letters)
  4. 8. equation When a quadratic polynomial is equated to zero it is called as a ________. (18 letters)
  5. 9. When represented on a graph, a quadratic equation is represented in the shape of a ________. (8 letters)
  6. 10. At maximum a quadratic equation can have only _____ real roots. (3 letters)
Down
  1. 1. We generally find the roots of a quadratic equation by factorising it into 2 _________ factors and equating each factor to zero. (6 letters)
  2. 2. Sridhar Acharya, in A.D. 1025 derived a formula used for solving the quadratic equations called as the _________. (16 letters)
  3. 5. ax2+bx+c=0 is called the _________ form of a quadratic equation. (8 letters)
  4. 7. A real number ‘p’ is called __________ of the quadratic equation ax2+bx+c=0, if ap2+bp+c=0. (8 letters)