Question

1. If one zero of the polynomial 2−4+1 is (2+√3), write the other zero.
(i) 0
(ii) 4
(iii) 2-√3
(iv) none of the above
2. If 3 is a zero of the polynomial 22++ , find the value of k?
(i) -21
(ii)21
(iii) 18
(iv) 15
3. If the sum of the zero of the polynomial 2−3+5 is 1, write the value of k.
(i) -3
(ii) 0
(iii)3
(iv) cannot be determined
4. If the product of the zeros of 2−4+ is 3. Find k.
(i) 3
(ii) 4
(iii) 2
(iv) 0
5. If (x+a) is a factor of 22+2+5+10, find a.
(i) 0
(ii)1
(iii) 2
(iv) 3
6. If the sum of the zero of the polynomial 32−+6 is 3, write the value of k.
(i) 0
(ii)6
(iii) 10
(iv) 9
7. If the sum of the zero of the polynomial (−14)2−2−12 is 1, write the value of k.
(i) -4
(ii) +4
(iii) both -4 and +4
(iv) none of the above
8. If p and q are the zeros of the polynomial 2++, find value of 2+2.

(i) 3−4/2

(ii) 2−2/2

(iii) 3+/2

(iv) 3/2
9. Four digit number of the form aabb which is perfect square is
l)7799
ii) 7766
iii)7755
iv)7744
10. The number which are neither prime nor composite are
I) 0
ii)-1
iii) 1
iv) -1,0,1​

Answer 1

Answer:

1. iii

3. iii

5. iii

6. iv

7. i

9. iv

10. i