X Polynomial MCQ Assignments in Mathematics Class X (Term I) |

1. If α,β are zeroes of the polynomial f(x) = x^{2} + px + q, then polynomial having 1/α and 1/β as its zeroes is |

(a) x^{2 }+ qx + p (b) x^{2} – px + q (c) qx^{2} + px + 1 (d) px^{2} + qx + 1 |

2. If α and β are zeroes of x^{2} – 4x + 1, then 1/α + 1/β – αβ is |

(a) 3 (b) 5 (c) –5 (d) –3 |

3. The quadratic polynomial having zeroes as 1 and –2 is : |

(a) x^{2} – x + 2 (b) x^{2} – x – 2 (c) x^{2} + x – 2 (d) x^{2} + x + 2 |

4. If α, β are zeroes of x ^{2} – 6x + k, what is the value of k if 3α+2β=20 ? |

(a)–16 (b) 8 (c) 2 (d) –8 |

5. If one zero of 2x ^{2} – 3x + k is reciprocal to the other, then the value of k is |

(a) 2 (b) −23 (c) −32 (d) –3 |

6. The quadratic polynomial whose sum of zeroes is 3 and product of zeroes is –2 is |

(a) x ^{2} + 3x – 2 (b) x^{2} – 2x + 3 (c) x^{2} – 3x + 2 (d) x^{2} – 3x – 2 |

7. If (x + 1) is a factor of x ^{2} – 3ax + 3a – 7, then the value of a is : |

(a)1 (b) –1 (c) 0 (d) –2 |

8. The number of polynomials having zeroes –2 and 5 is : |

(a)1 (b) 2(c)3 (d) more than 3 |

9. The quadratic polynomial p(y) with –15 and–7 as sum and one of the zeroes respectively is : |

(a) y^{2} – 15y – 56 (b) y^{2} – 15y + 56 (c) y^{2}+ 15y + 56 (d) y^{2} + 15y – 56 |

10.The value of p for which the polynomial x^{3} + 4x^{2} – px + 8 is exactly divisible by (x – 2) is : |

(a) 0 (b) 3 (c) 5 (d) 16 |

11. If 1 is a zero of the polynomial p(x) = ax^{2}– 3(a – 1)x – 1, then the value of a is : |

(a) 1 (b) –1 (c) 2 (d) –2 |

12. If –4 is a zero of the polynomial x^{2} – x – (2 + 2k), then the value of k is : |

(a) 3 (b) 9 (c) 6 (d) –9 |

13.The degree of the polynomial ( x + 1)(x^{2} – x – x^{4} + 1) is : (a) 2 (b) 3 (c) 4 (d) 5 |

14. If ( x + 1) is a factor of x^{2}– 3ax + 3a – 7, then the value of a is : |

(a) 1 (b) –1 (c) 0 (d) –2 |

15. If sum of the squares of zeroes of the quadratic polynomial f(x) = x^{2} – 8x + k is 40, the value of k is |

(a) 10 (b) 12 (c) 14 (d) 16 |

## Saturday, September 15, 2012

### X Polynomial MCQ Assignments in Mathematics Class ...

Labels:
10th Maths Term 01

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