Answer
This is vertex form of cubic equation. vertex is (-b,c).
Increasing a stretches graph vertically, and decreasing a compresses graph vertically. Changing sign of a reflects graph over x axis.
Changing values of b and c shifts graph to new location, or new vertex.
Work Step by Step
This is vertex form of cubic equation. vertex is (-b,c).
Increasing a stretches graph vertically, and decreasing a compresses graph vertically. Changing sign of a reflects graph over x axis.
Changing values of b and c shifts graph to new location, or new vertex.