CPM Homework Banner

Home > PC3 > Chapter 8 > Lesson 8.3.5 > Problem 8-156

8-156.

Let . Assume .   

  1. Sketch a possible graph for .

    Begin by sketching the axes. Mark locations on the -axis for , , , and . Then sketch a polynomial curve with roots at , , and , a double root at , and a triple root at .

  2. Solve .

    Where is your curve below or touching the -axis?

  3. Solve .

    When do and have opposite signs?
    For example, where is the curve above the -axis on the left side of the -axis?