MATHS CROSSWORD

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Across
  1. 2. the line of ____ is drawn from the eye level of the observer.
  2. 5. L denotes the ____ term of an AP
  3. 6. x^2-4x+6 is a quadratic ____
  4. 10. D is the common _______g
  5. 11. An eq.n of the form ax^2+bx+c=0 is called a ____ eq.n
  6. 12. S denotes the ___ of all terms
  7. 13. The angle of ____ of the point viewed is the angle formed by the line of sight with the horizontal, where the point being viewed is above the horizontal.
  8. 15. A denotes the ____ term of an AP
Down
  1. 1. _____ is the square of b-4ac
  2. 3. The variable used to denote an unknown angle.
  3. 4. b^2-4ac<0 has ___ real roots
  4. 7. AP stands for ___ progression
  5. 8. APs which do not have a last term are called ____ APs
  6. 9. Cos divided by Sin
  7. 14. Roots are ___ if b^2-4ac = 0