Home
Class 10
MATHS
Choose the correct alternative. (ii) I...

Choose the correct alternative.
(ii) If one root of the quadratic equation `3x^2-12x+k=0` is 3, then the value of k is

A

`6`

B

`-6`

C

`9`

D

`-9`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    TARGET PUBLICATION|Exercise Additional problems for Practice : Based on Practice set 2.6|30 Videos
  • QUADRATIC EQUATIONS

    TARGET PUBLICATION|Exercise Additional problems for Practice : Based on Practice set 2.5|60 Videos
  • PYTHAGORAS THEOREM

    TARGET PUBLICATION|Exercise Chapter Assessment|16 Videos
  • QUESTION FROM STD. IX

    TARGET PUBLICATION|Exercise Statistics|14 Videos

Similar Questions

Explore conceptually related problems

If one root of the quadratic equation p^2-3p+k=0 is 5, then the value of k is

If one root of the quadratic equation p^2-3p+k=0 is 5, then the value of k is

If one root of the quadratic equation x^(2)-7x+k=0 is 2, find the value of k.

If one root of the quadratic equation 2x^(2)+kx-2=0 is -2, find the value of k.

If one root of the quadratic equation 6x^(2)-x-k=0" is" (2)/(3) , then find the value of k.

If x=3 is one root of the quadratic equations x^(2) -2kx -6=0 , then the value of k is.

If one root of the quadratic equation kx^(2) – 7x + 5 = 0 is 1, then find the value of k.

If x=3 is one root of the quadratic equation x^(2)-2kx-6=0, then find the value of k

If one root of the quadratic equation 3x^(2)-10x+k=0 is reciprocal of the other, find the value of k.

TARGET PUBLICATION-QUADRATIC EQUATIONS-Chapter Assessment
  1. Choose the correct alternative. (i) Which of the following is a quad...

    Text Solution

    |

  2. Choose the correct alternative. (ii) If one root of the quadratic eq...

    Text Solution

    |

  3. Choose the correct alternative. (iii) Which of the following quadrat...

    Text Solution

    |

  4. Solve for x sqrt3x^2-2sqrt(2)x-2sqrt3=0

    Text Solution

    |

  5. Solve the following question. (i) Find the value of k for which the r...

    Text Solution

    |

  6. Solve the following question. (ii) For the quadratic equation m^2+5m-...

    Text Solution

    |

  7. Complete the following activities. (i) Classify the following polyno...

    Text Solution

    |

  8. Complete the following activities. (ii) fill in the blanks

    Text Solution

    |

  9. If one root of the quadratic equation 3y^(2)-ky+8=0 is 2/3, find the v...

    Text Solution

    |

  10. Solve the following questions (ii) Solve the following quadratic equ...

    Text Solution

    |

  11. Solve the following questions (iii) Determine the nature of the root...

    Text Solution

    |

  12. Solve the following questions (iv) From the quadratic equation, if i...

    Text Solution

    |

  13. Solve the following questions. (i) Solve the following qudratic equa...

    Text Solution

    |

  14. Solve the following questions. (ii) Find k, if the sum of the roots ...

    Text Solution

    |

  15. Find m, if the quadratic equation x^2-2(m+1)x+m^2=0

    Text Solution

    |

  16. the product of two consecutive natural number is 132.find the numbers

    Text Solution

    |

  17. If alpha+beta=5 and alpha^(3) +beta^(3)=35, find the quadratic equatio...

    Text Solution

    |

  18. Solve the following questions. (i) Suppose height of a right angled ...

    Text Solution

    |

  19. Solve the following questions. (ii) The roots of the equation x^2-3a...

    Text Solution

    |

  20. Solve the following questions. (i) Find the roots of the equation x^...

    Text Solution

    |