Please answer this correctly

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

How do you write y-10=2 (x-8) in standard form