Greater Than or Equal To' and 'Less Than or Equal To'
Less than or equal to and greater than or equal to inequalities are defined and illustrated.
Introduction to Inequalities and Solution Sets
Inequality statements are defined, solution sets explained, the use of a number line demonstrated, and the less than and greater than symbols illustrated.
Social Class and Social Mobility
Professor of Sociology and Public Policy Dalton Conley talks about what he says is the myth that the United States is the land of opportunity and social fluidity. According to Professor Conley, although most Americans believe the United States to be...
Voices of the People: Social Stratification of Political Participation
The poor and minorities in the U.S., even some affluent members of the middle class feel alienated from the political system. Unlike other democracies, lower income people are dropping out of the electorate in the U. S. This not only affects the kin...
Solving Complex Inequalities
How to solve more complex inequality problems.
Different Ways to Write the Same Inequality
Inequalities can be written in more than one way. X < 10, for example, is the same as 10 > X.
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.
Struggle for Equality, The: Equality in Practice?
Examples of sexism and racism still exist in employment, housing, medical care, and education. Legality does not necessarily equal equality. Paula McClain and Lani Guinier give examples of the types of inequality that persist: inequality in the work...
Multiplying and Dividing Both Sides of an Inequality by a Negative Number
It is necessary to reverse the inequality symbol whenever you multiply or divide by a negative number.