1 
The standard form of quadratic equation is: 
 A. x<sup>2</sup>+6=7x
 B. x<sup>2</sup>7x=6
 C. 7x+6=x<sup>2</sup>
 D. x<sup>2</sup>7x+6=0

2 
The quadratic formula is: 

3 
Solution set of equation 5x<sup>2</sup>125 = 0 is: 
 A. {5}
 B. {10}
 C. {5}
 D.

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

6 
The number of terms in a standard quadratic equitation ax<sup>2</sup>+bx+c=0 is: 

7 
Factors of x<sup>2</sup>x2=0 are: 
 A. (x1)(x+2)
 B. (x1)(x2)
 C. (x1)(x2)
 D. (x+1)(x+2)

8 
Two linear factors x<sup>2</sup>15x+56 are: 
 A. (x7) and (x+8)
 B. (x+7) and (x8)
 C. (x7) and (x8)
 D. (x+7) and (x+8)

9 
Number of ways to solve quadratic equation are: 

10 
In equation ax<sup>4</sup>+bx<sup>2</sup>+c=0, we replace: 
 A. x<sup>2</sup> = y
 B. x= y
 C. x<sup>4</sup>= y
 D. x<sup>3</sup>= y
