1 
if a=1, b=3 and c= 3, then discriminant is: 

2 


3 

 A. One variable
 B. Twovariable
 C. Threevariable
 D. Fourvariable

4 


5 
The nature of roots depends on the value of: 
 A. b+4ac
 B. b<sup>2</sup>+4c
 C. b<sup>2</sup>4ac
 D. b+4ac<sup>2</sup>

6 


7 
Roots of the equation 4x<sup>2</sup>4x+1=0 are: 
 A. Real, equal
 B. Real, uneqal
 C. Imaginary
 D. Irrational

8 
The product of roots, of equation 5x<sup>2</sup>+(72m) x + 3 = 0 will be: 

9 
The product of three cube roots of unity is: 
 A. Zero
 B. Four
 C. Two
 D. One

10 
(figure) is equal to: 
