First of all, find a program or a calculator that will give you the answer. Then you'll know how to make your table. I recommend Desmos. I have inserted the final graph for you.
Make up a table for this graph. Put the lowest point as the central entry in your graph.
x y -4 -3 -2 -1 0 Now fill in the y values.
x y -4 1 -3 -3.5 -2 -5 -1 -3.5 0 1
You can use the outline of the parabola and then mark the outline with the points in the table.
