Question 1018985
Possibly means, vertex is (0,0), and parabola opens DOWNWARD, and therefore equation takes the form  y=ax^2, but then the "rectum" part of the description is not understandable.  Better is to give the problem description and question exactly as it was given or shown to you.


What are you trying to say:  " cutting of the rectum
x = 6 pieces length of 8 units"
-
What is "x"?
What is 6?
What or which is 8 units?