ANSWER:
y = 1x + 5
EXPLANTION:
I first find the slope which is 1 because the line went up one and left 1 = 1/1 = 1.
Next I found where the line cross the y line (y intercept) which is a point 5.
Putting this together will be the answer
FUN FACT:
In mathematics, the ratio of the vertical and horizontal distances between two points on a line
I hope this helped and have a nice day :)