Help I will mark as brainliest

Answer:
The slope is 3, y intercept is -1
How to graph:
Go to (0, -1) and click. Then got up 3 spaces and 1 space right. Click. That should do it.
The picture to the left is linear and the one to the right is nonlinear.
Step-by-step explanation:
I don't know how to explain. Sorry.
Hope this helps.