Home
Class 10
MATHS
The zeroes of x^2–2x –8 are:...

The zeroes of `x^2–2x –8` are:

A

`(2,-4)`

B

`(4,-2)`

C

`(-2,-2)`

D

`(-4,-4)`

Text Solution

Verified by Experts

The correct Answer is:
`B`
Promotional Banner

Topper's Solved these Questions

  • ALGEBRA

    FULL MARKS|Exercise Unit Exercise|20 Videos

  • COORDINATE GEOMETRY

    FULL MARKS|Exercise ADDITIONAL QUESTIONS SOLVED (Answer the following questions)|20 Videos

Similar Questions

Explore conceptually related problems

Find the zeros of x^(2)-6x-7 :

Obtain all other zeroes of 3x^(4)+6x^(3)-2x^(3)-10x-5 , if two of its zeroes are sqrt((5)/(3)) and -sqrt((5)/(3))

Find the non-zero values of x satisfying the matrix equation x[(2x, 2), (3, x)], 2[(8, 5x), (4, 4x)]=2[(x^(2)+8, 24), (10, 6x)]

Find the zeros of the quadratic expression x^(2)+2x-143 .

Find all the zeroes of 2x^(4)-3x^(3)-3x^(2)+6x-2 , if you know that two of its zeroes are sqrt(2) and -sqrt(2) .

Find the zeroes of the quadratic polynomial x^(2)+7x+10 , and verify the relationship between the zeroes and the coefficients.

Find the zeroes of the quadratic polynomials given below. Find the sum and product of the zeroes and verify relationship to the coeffcients of terms of terms in the polynomial. p(x)=x^(2)+2x+1

Find the zeroes of the following quadratic polynomials and verify relationship between the zeroes and the coefficients. x^(2)-2x-8

FULL MARKS-ALGEBRA-Additional Questions Solved
  1. The HCF of x^(2) - y^(2), x^(3) - y^(3), …... x^(n) - y^(n), where n i...

    Text Solution

    |

  2. The zeroes of x^2–2x –8 are:

    Text Solution

    |

  3. The HCF of x^(2) - 2xy + y^(2) and x^(4) - y^(4) is ……… .

    Text Solution

    |

  4. The L.C.M. of a^(k), a^(k + 3), a^(k + 5) where k in N is …………… .

    Text Solution

    |

  5. The LCM of (x + 1)^(2) (x - 3) and (x^(2) - 9) (x + 1) is ………. .

    Text Solution

    |

  6. If (a^(3))/(a-b) is added with, (b^(3))/(b-a) then the new expressions...

    Text Solution

    |

  7. The solution set of x+ (1)/(x) = (5)/(2) is ……. .

    Text Solution

    |

  8. On dividing (x^(2) -25)/(x+3) "by " (x+5)/(x^(2) -9) is equal to

    Text Solution

    |

  9. The square root of (x + 11)^(2) - 44x is ………. .

    Text Solution

    |

  10. If alpha,\ beta are the zeros of the polynomial p(x)=4x^2+3x+7 , then ...

    Text Solution

    |

  11. Evaluate sqrt(20+sqrt(20+sqrt(20)))

    Text Solution

    |

  12. If alpha and beta are thr roots of the equation ax^(2) + bx + c = 0 t...

    Text Solution

    |

  13. The roots of the equation x^(2) - 8x + 12 = 0 are ………… .

    Text Solution

    |

  14. If one root of the equation is the reciprocal of the other root in ax^...

    Text Solution

    |

  15. If alpha and beta are roots of the equation x^(2) + 2x + 8 = 0 the the...

    Text Solution

    |

  16. If [(x+y,x-y),(7,6)] = [(10,2),(7,z)] then x, y, z are ………… .

    Text Solution

    |

  17. If [(-1,-2,4)] [(2),(a),(-3)]= -10 then the value of "a" is …………. .

    Text Solution

    |

  18. The matrix A given by (a(ij))(2 xx 2) if a(ij) = i - j is ………. .

    Text Solution

    |

  19. If the order of matrix A is 3times4 and the order of B is 4times3 then...

    Text Solution

    |

  20. If [(4,3,2)] [(1),(-2),(x)] =6 then "x" is ………. .

    Text Solution

    |