Matlab graphing/plotting problem

[sara_87]

Homework Statement

i have 4 points,
(8,0)
(4,-4)
(-4,4)
(-8,0)
i want to draw a graph of this on MATLAB so that the first to points are joined, the last two points are joined, but i want it on the same graph.
how do i do this? what's the command?
thank you

Homework Equations

The Attempt at a Solution

 

[joyful55]

plot([4 8], [-4 0])
plot([-8 -4], [0 4])

remember to hold graphs if you are entering commands individually.

 

[sara_87]

thank you!