1 


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

3 
If the sum of the roots of the equation kx<sup>2</sup>  2x + 2k = 0 is equal to their product, then the value of k is: 

4 
Sum of roots of ax<sup>2</sup> + bx + c = 0 is equal to product of roots only if: 
 A. a+c=0
 B. b+c=0
 C. a+b=0
 D. a+b+c=0

5 
Four fourth roots of 625 are: 
 A. ±5,±5i
 B. ±5,±25i
 C. ±25,±25i
 D. none of these

6 
Equations having a common solution are called: 
 A. linear
 B. quadratic
 C. homogeneous
 D. simultenaeous

7 
If α, ß are the roots of x<sup>2</sup> + kx + 12=0 such that αß = 1 then K = : 

8 
If 4<sup>x</sup> = 2, then x equals: 

9 
Which one is radical equation: 
 A. ax<sup>2</sup> + bx + c
 B. ax + b = 0
 C.
 D. 2<sup>x</sup> = 16

10 
Sum of all three cube roots of unity is: 
