Algebra graphing temperature

Question

Graph c=5/9(f-32) for positive values of f

 

this is a temperture graph and c is for Celsius and f for Fahrenheit. 

Answer 1

it's a straight line with slope= 5/9,

x or f intercept = 32,

y or c intercept = -160/9=-17 7/9

most well known points on the line are: (212,100) and (32,0)