Curated Video
Graphing Piecewise Functions: Using Constraints and Inequalities
This video explains how to graph piecewise functions by using knowledge of graphing other functions. Examine the use of open and closed circles to represent inequalities and constraints in the graph.
Curated OER
How Do You Graph an Inequality on a Number Line?
The teacher shows how draw a number line and graph an inequality using an open circle. She also shows how to graph a set of numbers on a number line.
Curated OER
How Do You Write an Inequality from a Number Line Graph?
The instructor demonstrates how to read a number line graph to write an inequality. There are several steps involved which are explained clearly.
Curated OER
How Do You Graph the Intersection of Two Inequalities?
Intersection. Isn't that where paths cross? And so it is in math also. Observe the teacher as she draws a number line and plots two inequalities on it. She then explains how to get the intersection of these two lines. Then she draws...