
Directions: Read carefully and choose the best answer.
1. 
The roots of a quadratic equation may be 



2. 
Which equation has imaginary roots? 



3. 
Given the equation x^{2} + 3x  9 = 0. What is the product of the roots? 



4. 
Which equation has real, rational roots that are equal roots? 



5. 
What is the sum of the roots of the equation
2x^{2}  3x + 9 = 0? 



6. 
The roots of the equation x^{2}  3x  2 = 0 



7. 
Which of the following could not be the roots of a quadratic equation? 



8. 
Which quadratic equation has roots 6i and
6i ? 



9. 
If one of the roots of the equation
x^{2}  6x + k = 0 is 4, what is the other root? 



10. 
Which equation has imaginary roots? 



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