I don't know what the "lowest y-intercept means" so if you can reiterate and clarify I'd appreciate it, but if you understand what you're looking for then I assume that a graph would be helpful. An online useful graphing site I like is desmos. Hope I helped.
Step-by-step explanation:

Answer:
1/7.
Step-by-step explanation:
To solve this, we can simply use an equation to solve for the slope using two points:
We can substitute our points giving us:


The slope of the graph is 1/7!
Answer:
a
Step-by-step explanation: