Home
Class 10
MATHS
IF the equation x^2+5x+K=0 has no real a...

IF the equation `x^2+5x+K=0` has no real and distinct roots, then………

A

`K=6`

B

`K lt 6.25`

C

`K gt 6`

D

`K gt 25`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • 2019 MARCH PUBLIC EXAMINATION PAPER (MATHEMATICS: PAPER II)

    VGS PUBLICATION-BRILLIANT|Exercise QUESTIONS|37 Videos

Similar Questions

Explore conceptually related problems

If the equation x^(2) + 5x + K = 0 has real and distinct roots, then….

IF the roots of the equation ax ^2 +bx + c=0 are real and distinct , then

f(x ) =2x^3 - 6x +p then find the interval in which p lies so that the equation f(x) =0 has 3 real and distinct roots .

IF the equation x^2 +2(k+1)x+9k-5=0 has only negative roots , then

p and q are distinct prime numbers and if the equation x^2 -px +q=0 has positive integer as its roots then the roots the roots of the equation are

The number of values of k for which the equation x^(3)-3x+k=0 has two distinct roots lying I the interval (0,1) is

If the equation x^(2)-x+ m^(2) = 0 has no real roots then m can satisfy

IF the roots of the equation x^2-5x +16=0 are alpha , beta and the roots of the equation x^2+px +q=0 and alpha ^2 + beta ^2 , (alpha beta)/2 , then

The equation 5x^(2) + 2x + 8 = 0 has…

VGS PUBLICATION-BRILLIANT-2019 MARCH PUBLIC EXAMINATION PAPER -QUESTIONS
  1. IF n(A)=8,n(B)=6, n(AcapB)=3, then n(AcupB)=………

    Text Solution

    |

  2. The discriminant of 6x^2-5x+1=0 is ………

    Text Solution

    |

  3. Sum of the zeroes of the polynomial x^2+5x+6 is……

    Text Solution

    |

  4. Which of the following is not irrational?

    Text Solution

    |

  5. One root of the equation x-3/x=2 is……….

    Text Solution

    |

  6. IF 4,a,9 are in G.P., then a=………..

    Text Solution

    |

  7. IF total surface area of a cube is 96cm^2, then its volume is…………

    Text Solution

    |

  8. log(10)0.001=………..

    Text Solution

    |

  9. Match the following : If alpha,beta,gamma are zeroes of a cubic poly...

    Text Solution

    |

  10. The next term is A.P. sqrt3,sqrt12,sqrt27 is……..

    Text Solution

    |

  11. The shaded region in the given figure below:

    Text Solution

    |

  12. 5x-3 represents …………polynomial.

    Text Solution

    |

  13. The common difference of A.P. log2 2,log2 4,log2 8 is………

    Text Solution

    |

  14. The sum of first 'n' odd natural number is………..

    Text Solution

    |

  15. The quadratic polynomial, whose zeroes are sqrt2 and -sqrt2 is………..

    Text Solution

    |

  16. The number of zeroes of the polynomial in the graph is…………

    Text Solution

    |

  17. The line 2x-3y=8 intersects X-axis at………

    Text Solution

    |

  18. The volume of cone , whose radius is 3 cm and height is 8cm, is ……….....

    Text Solution

    |

  19. IF 6x+2y-9=0 and kx+y-7=0 has no solution, then k=……..

    Text Solution

    |

  20. IF the equation x^2+5x+K=0 has no real and distinct roots, then………

    Text Solution

    |