Answer
Xmin: -500
Xmax: 700
Xscl: 100
Ymin: -800
Ymax: 400
Yscl: 200
Work Step by Step
There are five marks between 0 and the minimum x-value (including the minimum x-value). Since Xscl=100, 5(100)=500. So, Xmin=-500.
There are seven marks between 0 and the maximum x-value (including the maximum x-value). Since Xscl=100, 7(100)=700. So, Xmax=700.
There are four marks between 0 and the minimum y-value (including the minimum y-value). Since Yscl=200, 200(4)=800. So, Ymin=-800.
There are two marks between 0 and the maximum y-value (including the maximum y-value). Since Yscl=200, 200(2)=400. So, Ymax=400