Answer
$(-2,40),\ (-1,20),\ (0,0),\ (1,-20),\ (2,-40)$
Work Step by Step
$\left[\begin{array}{ccc}
x & y=-20x & (x,y)\\
& & \\
-2 & 40 & (-2,40)\\
-1 & 20 & (-1,20)\\
0 & 0 & (0,0)\\
1 & -20 & (1,-20)\\
2 & -40 & (2,-40)
\end{array}\right]$