Question

The shape of the solution region for the system (picture) can be described as which of the following? Select all that apply.

Answer 1

We have 
x>=-2
x<=6
y>=-1
y<=4

using a graph tool
see the attached figure

the solution is the figure of a rectangle limited by points
(-2,-1) (6,-1) (-2,4) (6,4)


the answer is 
a rectangle
a parallelogram (rectangles are subsets belonging to the set of parallelograms)