1 
How many complex cube roots of unity are there: 

2 
One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............: 

3 
For what value of k, the sum of the roots of the equation x<sup>2</sup> + kx + 4 = 0 is equal to the product of its roots: 

4 

 A. linear equation
 B. Quadraticequation
 C. cubicequation
 D. radicalequation

5 
Solution set of the equation x<sup>2</sup>  3x + 2 = 0 is 
 A. {1, 2}
 B. {1, 2}
 C. {1, 2}
 D. {1, 2}

6 
In ax<sup>2</sup> + bx + c = 0, if b<sup>2</sup>  4ac > 0 and perfect square the roots are: 
 A. rational
 B. irrational
 C. equal
 D. complex

7 
For what value of k, the roots of the equation x<sup>2</sup> + √k x + 2 = 0 are equal: 

8 
Which one is exponential equation: 
 A. ax<sup>2</sup> + bx + c = 0
 B. ax + b = 0
 C.
 D. 2<sup>x</sup> = 16

9 

 A. c = 0
 B. b = 0, c = 0
 C.
 D.

10 
Complex roots of real quadratic equation always occur in: 
 A. conjugate pair
 B. ordered pair
 C. reciprocal pair
 D. none of these
