They both seem to be substitution
ANSWER
The equation is

EXPLANATION
Let the equation be

where

is the slope of the line.
We substitute this value to obtain,

Since the line passes through

we can use this point to determine the value of c.
We substitute this point to obtain,



Our equation now becomes

We can write this in standard form as
Answer:28.2753
Step-by-step explanation:
12x=x^2-64
you have to do quadratic formula