CBSE Class 10 Quadratic Equations Sure Shot Questions Set C

CBSE Class 10 Quadratic Equations Sure Shot Questions Set C. There are many more useful educational material which the students can download in pdf format and use them for studies. Study material like concept maps, important and sure shot question banks, quick to learn flash cards, flow charts, mind maps, teacher notes, important formulas, past examinations question bank, important concepts taught by teachers. Students can download these useful educational material free and use them to get better marks in examinations.  Also refer to other worksheets for the same chapter and other subjects too. Use them for better understanding of the subjects.

Show that each of the following equations has real roots, and solve each by using the quadratic formula:

1. 9x²+7x-2=0

2. x²+6x+6=0

3. 2x²+5√ 3x+6=0

4. 36x²-12ax+(a²-b²)=0

5.(a+b)2x²-(4b⁴-3a⁴)x-12a²b²=0

6. (a+b)²x²-4abx-(a-b)²=0

7. 4x²-2(a²+b²)x+a²b²=0

8. 9x²-9(a+b)x+(2x²+5ab-2b²)=0

9. 4x²-4a²x+(a⁴-b⁴)=0

10. √3x²+11x+6√ 3=0

11. 4√ 3x²+5x-2√ 3=0

12. 3√7x²+4x-√7=0

13. √7x²-6x-13√7=0

14. 4√6x²-13x-2√6=0

15. x²-(1+√2)x+√2=0

16. 2x²+5√ 3x+6=0

17. x²-2x+1=0

18. 3x²+2√5x-5=0

19. 3a²x²+8abx+4b²=0,a≠ o

20. 2x²-2 √6x+3=0

21. 3x²-2x+2=0

22. √3x²+10x-8√ 3=0

23. x²+x+2=0

24. 16x²=24x+1

25. 25x²+20x+7=0

26. 6x²x-2=0

27. x²+5x+5=0

28. p²x²+(p²-q²)x-q²=0

29. abx²+(b²-ac)x-bc=0

30. x²-2ax+(a²-b²)=0

31. 12abx²-(9a²-8b²)x-6ab=0

32. 24x²– 41x + 12 = 0

33. 2x²– 7x – 15 = 0

34. 6x²+ 11x – 10 = 0

35. 10x² – 9x – 7 = 0

36. x² – x – 156 = 0

37. z²– 3²z – 105 = 0

38. 40 + 3x – x2 = 0

39. 6 – x – x² = 0

40. 7x²+ 49x + 84 = 0 

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