• #### Math Strategies

##### Test Prep›ACT›ACT Math
Short, helpful video on ACT Math tips by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
• #### The Math Section

##### Test Prep›ACT›ACT Math
Short, helpful video on the ACT Math section by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.

• #### Judicial System & Court

##### Test Prep›AP US Government›AP US Government Videos
Explore the role the Court plays in interpreting the Constitution.
• #### National Merit Scholarship Program

##### Test Prep›PSAT›PSAT Prep
Learn why it is important to have proper preparation for your PSAT. With a high score, you could win one of these National Merit Scholarships.
• #### Political Parties and Interest Groups

##### Test Prep›AP US Government›AP US Government Videos
How do political parties and interest groups influence the political process and public policy?
• #### 1/16 of Your Blood

##### Test Prep›AP US History›AP US History Videos
Discover how race is a social construction, and learn about the legacy of slavery.
• #### Applied Linear Inequalities - Concept

##### Math›Algebra 2›Linear Inequalities
How to find a test score to keep the class grade at least 90%.
• #### Applied Linear Inequalities - Concept

##### Math›Precalculus›Linear Equations and Inequalities
How to find a test score to keep the class grade at least 90%.
• #### Optimization Problems: Applications to Economics - Concept

##### Math›Calculus›Applications of the Derivative
How to use the optimization methods of calculus to optimize cost or revenue.
• #### Optimization Problems: Applications to Economics - Problem 1

##### Math›Calculus›Applications of the Derivative
How to use the optimization methods of calculus to optimize cost or revenue.
• #### Optimization Problems: Applications to Economics - Problem 2

##### Math›Calculus›Applications of the Derivative
How to use the optimization methods of calculus to optimize cost or revenue.
• #### Optimization Problems: Applications to Economics - Problem 3

##### Math›Calculus›Applications of the Derivative
How to use the optimization methods of calculus to optimize cost or revenue.
• #### Introduction to Functions - Problem 3

##### Math›Algebra 2›Functions
How to tell if a relationship is a function by looking at graphs.
• #### Graphing a Quadratic Inequality - Concept

##### Math›Algebra 2›Quadratic Equations and Inequalities
How to graph a quadratic inequality.
• #### Area With Determinants - Problem 2

##### Math›Precalculus›Systems of Linear Equations and Matrices
How to use the triangle area formula to test three points for collinearity.
• #### Definition of One-to-One Functions - Problem 3

##### Math›Algebra 2›Inverse, Exponential and Logarithmic Functions
How to tell if a function is one-to-one by looking at a graph.
• #### Relations and Determining Whether a Relation is a Function - Problem 3

##### Math›Algebra›Graphs and Functions
How to tell whether a graph represents a function.