First find the minimum point of the graph.

Since absolute value function can not be negative, the minimum point of the

graph is where .

The original function is .

Set original function

According to addition property of equality: if a = b, then a + c = b + c.

             (Add 1 to each side)

                         (Additive invrese property: )

                               (Additive identity property: )

According to division property of equality: if , then .

                          (Divide each side by 2)

                               (Cancel common terms)

                              (Divide: )

Next make at table, fill out the table with values for .

First, draw a co-ordinate plane.

Locate the points on co-ordinate plane and draw the graph through these points.