Answer:
what basically is this question??
Step-by-step explanation:
Answer:
Option C. 
Step-by-step explanation:
we know that
The discriminant of a quadratic equation of the form
is equal to

in this problem we have
so

substitute



The answers are..
6. 55
7. 6
8. 39
9. 17
Answer:
First Quadrant
Step-by-step explanation:
The quadrant in which both x and y are greater than 0 is the First Quadrant.