CHAPTER-9, QUADRATIC EQUATION

1. Which of the following is not a quadratic equation

 
 
 
 

2. The polynomial equation x(x+1)+8=(x+2) 9x-2) is

 
 
 
 

3. The roots of the quadratic equation 6x2 -x – 2 = 0 are

 
 
 
 

4. The quadratic equation has degree

 
 
 
 

5. The equation (x-2)2+ 1 = 2x -3 is a

 
 
 
 

6. The quadratic equation whose one rational root is 3+√2

 
 
 
 

7. The cubic equation has degree

 
 
 
 

8. The quadratic equation whose roots are 1 and – ½ is

 
 
 
 

9. A bi-quadratic equation has degree

 
 
 
 

10. The equation 2x2+kx+3=0 has two equal roots, then the value of k is

 
 
 
 

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