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.
Answer: 2⁴ * 5
<u>Step-by-step explanation:</u>
80
∧
8 10
∧ ∧
4 2 2 5
∧
2 2
80: 2 x 2 x 2 x 2 x 5
Translation.
The flat only shifts upwards or downwards, and it doesn’t turn around.