Question

a graph includes the ordered pair (2,4). Write two different rules that would be possible for this graph

Answer 1

You could have ANY rule you want. Just substitute  for  and  for  but MAKE SURE THAT ONCE YOU SIMPLIFY IT, IT IS TRUE. Lets start making some equations! 

How about: 



If we substitute into it, we find it works.

How about:



By the way, if you substitute y and x into the equation above, you will find they also work. 

Thank you, and I hope this helped.

Sincerely,
Flowergirl1629957

Answer 2

1. The coordinates are x=2 and y=4