Home
Class 9
MATHS
For the quadratic equation x^(2) + 3x - ...

For the quadratic equation `x^(2) + 3x - 4 = 0` which of the following is a solution ?
(A) `x = - 4` , (b) `x = 3`
(C ) `x =1`

A

A and B

B

B and C

C

A and C

D

Only A

Text Solution

Verified by Experts

The correct Answer is:
C
Solve for x.
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EXPRESSIONS AND EQUATIONS

    PEARSON IIT JEE FOUNDATION|Exercise Level 2|19 Videos

  • QUADRATIC EXPRESSIONS AND EQUATIONS

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|23 Videos

  • QUADRATIC EXPRESSIONS AND EQUATIONS

    PEARSON IIT JEE FOUNDATION|Exercise Essay Type Qns|4 Videos

  • PROBABILITY

    PEARSON IIT JEE FOUNDATION|Exercise LEVEL 3|8 Videos

  • RATIO, PROPORTION AND VARIATION

    PEARSON IIT JEE FOUNDATION|Exercise Leval 3|10 Videos

Similar Questions

Explore conceptually related problems

Roots of quadratic equation x^(2)-4x+3=0 are

The roots of the quadratic equation 3x^2+7x+4=0 are

Find the roost of the quadratic equation 3x^2 - 4sqrt3x + 4 = 0

The discriminant of the quadratic equation 3x^(2) - 4x - 2 = 0 is

The roots of the quadratic equation 4x^(2)-4sqrt(3)x+3=0

No.of solution for the quadratic equation |x|^(2)-2|x|-3=0

No.of solutions for the quadratic equation |x|^(2)-4|x|+3=0

For the quadratic equation 2x^(2)-5x-3=0. show that (i) x=3" is its solution." (ii) x=(-1)/(2)" is its solution." (iii) x=4" is not its solution."

In the quadratic equation 4x^(2) - 2 ( a + c - 1) x + ac - b = 0 (a gt b gt c)

PEARSON IIT JEE FOUNDATION-QUADRATIC EXPRESSIONS AND EQUATIONS-Level 1
  1. Which of the following equations does not have real roots ?

    Text Solution

    |

  2. The sum of the roots of the equation, ax^(2) + bx + c = 0 where a,b an...

    Text Solution

    |

  3. For the quadratic equation x^(2) + 3x - 4 = 0 which of the following i...

    Text Solution

    |

  4. Find the quadratic equation whose roots are reciprocals of the roots ...

    Text Solution

    |

  5. The number of real roots of the quadratic equation (x-4)^(2)+ (x-5)^(2...

    Text Solution

    |

  6. The number of distinct real solution of |x|^(2) - 5|x| + 6 = 0 is

    Text Solution

    |

  7. The number of real roots of the equation |x^2|– 5|x|+6 = 0 is

    Text Solution

    |

  8. In writing a quadratic equation of the form x^(2) + px + q = 0,a stud...

    Text Solution

    |

  9. The roots of the equation 6x^(2) - 8sqrt(2x) + 4 = 0 are

    Text Solution

    |

  10. Which of the following equations has roots as a,b and c ?

    Text Solution

    |

  11. If the roots of the equation 2ax^(3) + (3b-9) x + 1 = 0 are -2 and 3,...

    Text Solution

    |

  12. The roots of the equation x^(2) + 5x + 1 = 0 are

    Text Solution

    |

  13. If alpha amd beta are the roots of the equation 3x^(2) - 2x - 8 = 0 t...

    Text Solution

    |

  14. If 2x^(2) + (2p - 13) x + 2 = 0 is exactly divisible by x-3, then the ...

    Text Solution

    |

  15. If x^(2) -ax - 6 = 0 and x^(2) + ax -2 = 0 have one common root, then ...

    Text Solution

    |

  16. The root of the equation (2)/(x-1)+(1)/(x+2) + (3x(x+1))/((x-1)(x+2)) ...

    Text Solution

    |

  17. If alpha and beta are the zeros of the Quadratic Polynomial F(X) = 6x^...

    Text Solution

    |

  18. The age of a father is 25 years more than his son's age. The product o...

    Text Solution

    |

  19. If the roots of the equation ax^(2) - bx + 5c = 0 are in the ratio of...

    Text Solution

    |

  20. The speed of Uday is 5 km/h more than that of Subash. Subash reaches ...

    Text Solution

    |