The correct answer is:
2u-v=7(5i-3j)
Therefore, 5, and 3 go inside the box.
Answer: 
Step-by-step explanation:
Given
The height of the cylinder is 
The volume of the cylinder is 
The volume of the cylinder is the product of area and height

Insert the values

Thus, the area of the cross-section is 
Negative slope and shifted 5 down on the y axis with a root at x=-5