3. Use factoring to find the coordinates of the vertex of the graph of x2 + 8x + 12 = 0.
Graph the function.
Factored equation:
Coordinates of vertex:

Liz is shipping a package to her friend. the maximum weight of a medium flat-rate box is 20 pounds, including the box which weighs 6 ounces. write and solve an inequality to describe the possible weight in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.