What is the direction of opening and does profit have a maximum or minimum? How do you know

-8

step-by-step explanation:

none of the above.

for one of the equations to be used in the process, there has to be a term in the equation since squared is .

since there is only a term in the first equation, we cannot derive a from completing the square.

solving with completing the square

nope.   happens to me as well.

-aparri