Typically if it is a linear function then it doesn't matter. However if it is a quadratic, cubic, and so on and so forth....(

) you may want to used the distance formula if you are not given any other points (with the exception of the vertex, asymptote or roots... etc).
Im sorry, I cant see what it is you want me to do??
Answer:
0.3048
Step-by-step explanation:
You would times it by -5
20/-4 = -5
-100/20 = -5