Home
Class 9
MATHS
If one of the roots of the equation of t...

If one of the roots of the equation of the polynomial `p(x)=x^(2)-7ax-18` be (-2), then a =

A

0

B

1

C

7

D

9

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • POLYNOMIALS

    CALCUTTA BOOK HOUSE|Exercise EXERCISE-1.4|52 Videos
  • POLYNOMIALS

    CALCUTTA BOOK HOUSE|Exercise EXERCISE-1.2|45 Videos
  • LOGARITHM

    CALCUTTA BOOK HOUSE|Exercise Exercise - 7 (Long-answer type questions)|49 Videos
  • PROBABILITY

    CALCUTTA BOOK HOUSE|Exercise EXERCISE - 2|16 Videos

Similar Questions

Explore conceptually related problems

Find the roots of the equation of the polynomial p(x) = cx + d.

The roots of the equation of the polynomial p(x,y)=x^(2)+y^(2) are-

Show that if one of the roots of the equation of the quadratic polynomial x^(2)-6ax-91=0 be 7, then the another root is (-13).

Determine the value of c if one of the roots of the equation of the polynomial p(x)=ax^(2)+bx+c,ane0 be 0.

The zero of the polynomial p(x)=x^(2)-2x-8 is

If the root of the equation of the polynomial p(x)=8x^(3)-px^(2)-4x+2 be 1/2 , then calculate the value of p.

Find the value of k when one of the roots of the equation of the polynomial p(x)=x^(4)-kx^(3)-19x^(2)-46x-8 is 2.

One of the roots of the equation x^(2)=a is

The zeros of the polynomial p(x)=x^(2)-9 are

If the roots of the equation of the polynomial f(x)=x^(3)+ax+b be -2 and 3, determine the value of a and b.

CALCUTTA BOOK HOUSE-POLYNOMIALS-EXERCISE-1.3
  1. Which one of the followings is an equation ?

    Text Solution

    |

  2. The roots of the equation of the polynomial p(x,y)=x^(2)+y^(2) are-

    Text Solution

    |

  3. If one of the roots of the equation of the polynomial p(x)=x^(2)-7ax-1...

    Text Solution

    |

  4. The number of roots of any linear polynomial is-

    Text Solution

    |

  5. If the polynomial p(x)=4x^(4)+4x^(3)-19x^(2)-16x+12 be divided by (x -...

    Text Solution

    |

  6. If the polynomial p(x)=x^(3)+3x^(2)+3x+1 be divided by (x-pi), the rem...

    Text Solution

    |

  7. Determine the remainder when (x^(2)-2pix+pi) is divided by (x-2pi).

    Text Solution

    |

  8. If q(t)=4t^(3)+4t^(2)-t-1andq(-1/2)=0, then determine the polynomial ...

    Text Solution

    |

  9. Find the value of k if p(x)=x^(2)+kx+6andp(2)=0.

    Text Solution

    |

  10. Find the remainder if f(x)=x^(3)+4x^(2)+4x-3 is divided by x.

    Text Solution

    |

  11. Determine the value of c if one of the roots of the equation of the po...

    Text Solution

    |

  12. If f(x)=x^(2)-4x+14, g(x) = x - 1, q(x) = x - 3 and f(x) = g(x) q(x) +...

    Text Solution

    |

  13. Find the roots of the equation of the polynomial p(x) = cx + d.

    Text Solution

    |

  14. Determine the roots of the equation of the polynomial f(x,y)=x^(2)-y^(...

    Text Solution

    |

  15. If the polynomial p(x)=x^(4)-a^(2)x^(2)+2x-a be divisible by (x + a), ...

    Text Solution

    |

  16. If f(x) = (x - 7) q(x) + r(x), where f(x)=x^(3)-7x^(2)+1 and r(x) = 1,...

    Text Solution

    |

  17. What is the vital difference between identity and equation ?

    Text Solution

    |

  18. What is meant by the root of an equation ? Find the root of the equati...

    Text Solution

    |

  19. State and prove Remainder theorem.

    Text Solution

    |

  20. Find the value of k when one of the roots of the equation of the polyn...

    Text Solution

    |