Home
Class 10
MATHS
Determine the nature of root for the qua...

Determine the nature of root for the quadratic equation `2x^(2)-2x+9=0` is ____.

A

real and unequal roots

B

real and equal roots

C

no real roots

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • NUMBER AND SEQUENCES

    SURA PUBLICATION|Exercise Unit test|12 Videos

  • RELATIONS AND FUNCTIONS

    SURA PUBLICATION|Exercise Unit Test|14 Videos

Similar Questions

Explore conceptually related problems

Determine the nature of roots for each of the quadratic equations. 3x^(2)-5x+7=0

Determine the nature of roots for each of the quadratic equations. m^(2)-2m+1=0

Determine the nature of roots of the following quadratic equations. x^(2)-4x+4=0

Determine the nature of the roots for the following quadratic equations x^(2)-x-1=0

What is the nature of roots of quadratic equations 9x^(2)-12x+4=0 ?

The real roots of the quadratic equation x^(2)-x-1=0 are ___.

SURA PUBLICATION-ONE MARK QUESTIONS SET -Multiple Choice Question
  1. 7^(4k)= (mod 100)

    Text Solution

    |

  2. Fill in the blanks, if the term are in G.P. (1)/(8), (3)/(4), (9)/(2),...

    Text Solution

    |

  3. Determine the nature of root for the quadratic equation 2x^(2)-2x+9=0 ...

    Text Solution

    |

  4. If the graph of the given quadratic equation touch the x-axis at only ...

    Text Solution

    |

  5. If a matrix has 16 elements, what is the number of possible orders=.

    Text Solution

    |

  6. If triangleABC, DE||BC, AB=3.6m, AC=2.4cm and AD=2.1cm then the length...

    Text Solution

    |

  7. What is the slope of the line whose inclination is 30^(@)?

    Text Solution

    |

  8. Who is the "Father of Trigonometry"?

    Text Solution

    |

  9. tan60^(@)cos60^(@)+cot60^(@)sin60^(@)=.

    Text Solution

    |

  10. If the height is 2m and the base area is 250m^(2) then find the volume...

    Text Solution

    |

  11. The greatest value of a collection of a data is 72 and the least value...

    Text Solution

    |

  12. Two dice are thrown simultaneously. The probability of getting a doubl...

    Text Solution

    |

  13. If f: R to R is defined by f(x)=x^(2)+2, then the preimage of 27 are .

    Text Solution

    |

  14. If A={a, b, c}, B={2, 3} and C={a, b, c, d} then n[(AcapC)timesB] is ...

    Text Solution

    |

  15. If f(x)=ax-2, g(x)=2x-1 and if fog=gof then the value of 'a' is .

    Text Solution

    |

  16. If a(1)=-1 and a(n)=(a(n-1))/(n+2) then the value of a(4) is .

    Text Solution

    |

  17. The first term of an A.P. whose 8th and 12th term are 39, 59 respectiv...

    Text Solution

    |

  18. Sum of infinity terms of a G.P. is 12 and the first term is 8. What is...

    Text Solution

    |

  19. Sum of first 'n' terms of the series sqrt(2)+sqrt(8)+sqrt(18)+… is .

    Text Solution

    |

  20. (x^(2)+7x+12)/(x^(2)+8x+15)times(x^(2)+5x)/(x^(2)+6x+8)=.

    Text Solution

    |