Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make a graph [title] Draw the grid. [step] You will first need a grid on which to draw your graph. You can either purchase grid paper or you can draw it yourself using a ruler.

Ending1: Once you have drawn a grid, begin to trace its shape. The grid should be face down, with one horizontal edge near the top, and the other diagonal edge toward the bottom. Ending2: Make sure that the lines are straight and evenly spaced. They should be a distance apart as is appropriate for the graph you intend to produce. Ending3: [title] Place the ruler at the bottom of the grid. [step] Place the ruler where you want the graph to go and then trace. Ending4: This will ensure a straight line from the centers of squares on the grid that you trace. [substeps] Crease the squares by squeezing the ruler firmly along each square.

Answer format: ending1/ending2/ending3/ending4