Home
Class 8
MATHS
Which of the following is a quadratic eq...

Which of the following is a quadratic equation?

A

`x^(1/2)+2x+3=0`

B

`(x-1)(x+4)=x^(2)+1`

C

`x^(4)-3x+5=0`

D

`(2x+1)(3x-4)=2x^(2)+3`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • QUADRATIC EQUATIONS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET|10 Videos

  • QUADRATIC EQUATIONS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET|10 Videos

  • PROBABILITY

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET -29 |10 Videos

  • RATIO AND PROPORTION

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESEMENT SHEET - 15|10 Videos

Similar Questions

Explore conceptually related problems

Which of the following is quadratic equation ?

Which of the following is a quadratic eqaution ?

Which of the following are quadratic equations? x+(3)/(x)=x^(2)( ii) x^(2)+(1)/(x^(2))=2

Which of the following are quadratic equations? x^(2)-6x+4=0( ii) 2x^(2)-7x=0

Which of the following are quadratic equations? x^(2)+6x-4=0( ii) sqrt(3)x^(2)-2x+(1)/(2)=0 (iii) x^(2)+(1)/(x^(2))=5

Which of the following are quadratic equations? 3x^(2)-5x+9=x^(2)-7x+3 (ii) x+(1)/(x)=1( iii) x^(2)-3x=0

Which of the following are quadratic equations? x^(2)+2sqrt(x)-3=0 (ii) 3x^(2)-4x+2=2x^(2)-2x+4

Which of the following are quadratic equations? x-(3)/(x)=x^(2) (ii) 2x^(2)-sqrt(3x)+9=0 (iii) x^(2)-2x-sqrt(x)-5=0

(sqrt3+i)^100=2^99(p+iq) then p and q are the roots of which of the following quadratic equation?

S CHAND IIT JEE FOUNDATION-QUADRATIC EQUATIONS-QUESTION BANK
  1. Which of the following is a quadratic equation?

    Text Solution

    |

  2. If a^(2)-ab=0, which of the following is the correct conclusion?

    Text Solution

    |

  3. The equation formed by multiplying each root of ax^(2) + bx+ c = 0" by...

    Text Solution

    |

  4. The roots of the equation 2x^2-11 x+15=0 are 3,5/2 (b) 5,3/2 (c) -3...

    Text Solution

    |

  5. Find a if a-3=10/a

    Text Solution

    |

  6. Of the following quadratic equations, which is the one whose roots are...

    Text Solution

    |

  7. The common root of the equations x^(2)-7x+10=0 and x^(2)-10x+16=0 is

    Text Solution

    |

  8. An equation equivalent to the quadratic equation x^(2)-6x+5=0 is

    Text Solution

    |

  9. The roots of the equation x/(x-1)+(x-1)/x=2 1/2 are

    Text Solution

    |

  10. Find the roots of the equation 1/(a+b+x)-1/x=1/a+1/b?

    Text Solution

    |

  11. The values of x satisfying the equation 5^(2x)-5^(x+3)+125=5^(x) are

    Text Solution

    |

  12. The root of the equation 3^(2x)-10.3^(x)+9=0 are

    Text Solution

    |

  13. If one root of the quadratic equaion 3x^(2)-10x+p=0 is 1/3, then the v...

    Text Solution

    |

  14. Thrice the square of a natural number decreased by 4 times the numb...

    Text Solution

    |

  15. The product of two successive natural numbers is 1980. Which is the sm...

    Text Solution

    |

  16. A two digit number is such that the product of digit is 8 . when 18 is...

    Text Solution

    |

  17. The difference of mother's age and her daughter's age is 21 years and ...

    Text Solution

    |

  18. The sum of a number and its positive square root is 6/25.Find the numb...

    Text Solution

    |

  19. In a school hall, 460 students were sitting in rows and columns in suc...

    Text Solution

    |

  20. The length of a hypotenuse of a right triangle exceeds the length of i...

    Text Solution

    |