Interpreting Graphs: Distorted Graphs
This clip explains that sometimes a distorted graph may be a more practical way to display data, then provides a number of examples, including a bar graph of U.S. population, a line graph of Federal debt, and a line graph of households with cable te...
System of Two Equations: A Revenue Graph and a Cost Graph
Using a system of equations to plot a business's break-even point.
Number Line, The: Summary: The Number Line
This clip summarizes the number line and how it can be used to show which of two whole numbers is greater, according to where each appears on a straight line. The clip revisits related concepts, including unit distance, graphs, coordinates, inequali...
Number Line, The: Inequalities on the Number Line
This clip demonstrates how "less than" and "greater than" look on the number line. We learn that with any two whole numbers that are not equal, the greater number will always appear on the right, and the smaller number always appears on the left.
Solving Systems by Graphing
Graphing the solution to a system of slope-intercept form equations.