Home
Class 10
MATHS
One of the roots of equation x^(2)+mx-5=...

One of the roots of equation `x^(2)+mx-5=0` is 2 find m.

A

-2

B

`-1/2`

C

`1/2`

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    TARGET PUBLICATION|Exercise Multiple Choice Questions|32 Videos

  • QUADRATIC EQUATIONS

    TARGET PUBLICATION|Exercise Additional problems for Practice : Based on practice set 2.1|24 Videos

  • QUADRATIC EQUATIONS

    TARGET PUBLICATION|Exercise Practice set 2.6|20 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

The quadratic equation whose roots are the arithmetic and harmonimeans between the roots of the equation lx^(2)+mx+n=0 is

If the roots of the equation lx^(2) +mx +m=0 are in the ratio p:q, then

If sintheta and costheta " are the roots of the equation " mx^(2)+nx+1=0 , then find the relation between m and n.

If a and p are the roots of the equation x^2-6x +5=0 , then find the equation having the roots 2a and 2p

2x^(2) + 3x - alpha - 0 " has roots "-2 and beta " while the equation "x^(2) - 3mx + 2m^(2) = 0 " has both roots positive, where " alpha gt 0 and beta gt 0. If the roots of the equation x^(2) + px+ q = 0 are in the same ratio as those of the equation x^(2) +lx + m = 0 , then which one of the following is correct ?

Let real and distinct roots of equation x^(2)-mx+4=0 lies in [1,5] then range of m is (a) (3,4)(b)(4,5)(c)(-5,-4)(d)(-3,4)

If x=2 and x=3 are roots of the equation 3x^(2)-mx+2n=0 , then find the values of m and m.

If one roots of the equation x^(2) - mx + n = 0 is twice the other root, then show that 2m^(2) = 9pi .

TARGET PUBLICATION-QUADRATIC EQUATIONS-probelm set - 2
  1. Choose the correct answer for the following questions. (vi) Out of t...

    Text Solution

    |

  2. sqrt(5)m^(2)-sqrt(5)m+sqrt(5)=0 which of the following statement is tr...

    Text Solution

    |

  3. One of the roots of equation x^(2)+mx-5=0 is 2 find m.

    Text Solution

    |

  4. Which of the following are quadratic equations? x^(2)+2x+11=0

    Text Solution

    |

  5. Which of the following are quadratic equations? x^(2)-2x+5=x^(2)

    Text Solution

    |

  6. Which of the following are quadratic equations? (x+2)^(2)=2x^(2)

    Text Solution

    |

  7. Find the value of discriminant for each of the following equations. ...

    Text Solution

    |

  8. Find the value of discriminant for each of the following equations. ...

    Text Solution

    |

  9. Find the value of discriminant for each of the following equations. ...

    Text Solution

    |

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

    Text Solution

    |

  11. Two roots of quadratic equations are given, frame the equation. 10 a...

    Text Solution

    |

  12. Two roots of quadratic equations are given, frame the equation. 1-3s...

    Text Solution

    |

  13. Two roots of quadratic equations are given, frame the equation. 0 an...

    Text Solution

    |

  14. Determine the nature of roots for each of the quadratic equations. 3...

    Text Solution

    |

  15. Determine the nature of roots for each of the quadratic equations. s...

    Text Solution

    |

  16. Determine the nature of roots for each of the quadratic equations. m...

    Text Solution

    |

  17. Solve the following quadratic equations : 1/(x+5)=1/x^(2)

    Text Solution

    |

  18. Solve the following quadratic equations: x^(2)-(3x)/(10)-1/(10)=0

    Text Solution

    |

  19. Solve the following quadratic equations: (2x+3)^(2)=25

    Text Solution

    |

  20. Solve the following quadratic equations : m^(2)+5m+5=0

    Text Solution

    |