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Test Series-07





Instructions

  • Your test contains 10 multiple choice questions with only one answer
  • This is 30 min test.Please make sure you complete it in stipulated time
  • You can Finish this test any time using 'Submit' button.
  • Once finished you get a chance to review all question with correct answers and their solutions.


1.Which of the following is incorrect?
   (a+b)2=a2+b2+2ab
   a3+b3=(a+b)3-3ab(a+b)
   a2-b2=(a-b)2-2ab
   None of these

2) The sum of the zeroes of the quadratic polynomial p(x)= x2-3x+2=0?
   -3
    3
    2
   -2

3. Which of the following is incorrect?
   The graph of linear polyonomial is straight line
   The graph of quadratic polynomial is parabola
   The graph of cubic polynomail cut the x-axis at max three points
    None of these

4. If the graph of the quadratic polynomail does not cut the x-axis at any point then?
    There are two zeroes of the polynomail
    There is 1 zero of the polynomail
    There is no zeroes of the polynomial
    None of these

5. p(x)=x2-(2+k)x+2k. If x=3 is the zero ,then the value of k?
   3
   2
   1
   5

6. p and q are the zeroes of the polynomail p(x)=ax2+bx+c.
The polynomial g(x) whose zeroes are 1/p and 1/q will be?
    g(x)=ax2+cx+b
   g(x)=cx2+bx+a
    g(x)=bx2+ax+c
   g(x)=cx2+ax+b

7. Which of these are false?
    The polynomail s(x) =x2 +81 does not have any zeroes
    The polynomail p(x)=7 is zero degree polynomial
    Graph of the polynomial q(x)=x2-16x+64 will meet the xaxis at one point only
    Zero polynomial has zero degree

8. The polynomail q(x) =x4-6x3-26x2+138x-35 has Four zeroes.
Two are given as 2+√3 and 2-√3. Find the other two?
    -3,7
   5,7
   3,7
   -5,7

9. P(x)=x3-6x2+11x-6 and g(x) =x2-5x+6
Then p(x) =q(x) g(x) +r(x)
   r(x) =0
   q(x)= (x-5)
    r(x) =(x-7)
   q(x) =(x-6)

10.Two statement
Statement A: A polynomail of n degree has atmost n zeroes
Statement B: A binomial can be of any degree

    A is correct only
    B is correct only
    A and B both are correct
    A and B both are incorrect





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