1 
In ax<sup>2</sup>+b+c, the coefficient of x<sup>2</sup> is: 

2 
A root of an equation, which do not satisfy the given equation is called: 
 A. Endogenous root
 B. Extraneous root
 C. Internal root
 D. Radical root

3 
In equation 5<sup>1+x</sup>+5<sup>1x</sup> = 26, we put: 
 A. 5<sup>2x</sup>=y
 B. 5<sup>1+x</sup>=y
 C. 5<sup>1x</sup>=y
 D. 5<sup>x</sup>=y

4 
To solve (x+a)(x+b)(x+c)(x+d) = k, we have: 
 A. ab=bc
 B. ab=cd
 C. a+b=c+d
 D. ac=bc

5 
The number of methods to solve a quadratic equation is: 

6 
In ax<sup>2</sup>+b+c, if a = 0 then reduced form is: 
 A. ax<sup>2</sup>+bx
 B. bx+c
 C. c
 D. ax<sup>2</sup>+c

7 
Standard form of quadratic equation is: 

8 
The solution set of equation 4x<sup>2</sup>16=0 is: 

9 
The factors of 3x<sup>2</sup>7x20=0 are: 
 A. (x4)(3x+5)
 B. (x+4)(3x5)
 C. (x4)(3x5)
 D. (x+4)(3x+5)

10 
The quadratic formula is: 
