We want to rewrite the following equation

With d as a function of the other terms. Let's start by subtracting n from both sides.

Now, let's divide both sides by 9.

And this is our final answer.
From the equation, we have

To find the vertex and focus, we have to use the following formula

And

So, we have


So this sheet is about area and perimeter, focus hard on it and it would be a good idea if you had a spare piece of paper next to you for figuring it out
The point (-2,-5) is in the 3rd quadrant (the one on the bottom left - the numbering is weird) bc both the x-value & y-value are negative