Answer:

Step-by-step explanation:
We want to prove algebraically that:

is a parabola.
We use the relations

and

Before we substitute, let us rewrite the equation to get:

Or

Expand :

We now substitute to get:

This means that:

Square:

Expand:




This is a parabola (0,2.5) and turns upside down.
81=3^4
I hope this helps! Good luck!
it is going to take 18 miles in 1 hour
Yes that is a repeating decimal the answer would be -0.4444444.. and so on.