• #### The Resultant of Two Forces - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find the resultant of two forces.
• #### The Vector Equation of a Line - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to write the vector equation of a line.
• #### Lines in 3D - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to find the vector and parametric equations of a line when given two points on the line.
• #### The Geometric Representation of Vectors - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to understand what vectors are, and how they can be represented geometrically.
• #### Set Operation: Union - Problem 2

##### Math›Precalculus›Linear Equations and Inequalities
How to solve a union of two inequalities where the inequalities overlap and go in the same direction.
• #### Set Operation: Intersection - Problem 1

##### Math›Precalculus›Linear Equations and Inequalities
How to solve an intersection or inequalities where the inequalities overlap and go in different directions.
• #### Set Operation: Intersection - Problem 1

##### Math›Algebra 2›Linear Inequalities
How to solve an intersection or inequalities where the inequalities overlap and go in different directions.
• #### Solving and Graphing Multistep Inequalities - Problem 3

##### Math›Algebra›Solving and Graphing Inequalities
How to solve and graph multistep inequalities when using distributing and changing the direction of the inequality.
• #### Set Operation: Intersection - Problem 2

##### Math›Algebra 2›Linear Inequalities
How to solve an intersection of two inequalities where the inequalities overlap and go in the same direction.
• #### Set Operation: Union - Problem 1

##### Math›Algebra 2›Linear Inequalities
How to solve a union of two inequalities where the inequalities overlap and go in different directions.
• #### The Vector Equation of a Line - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to write the vector equation of a line given two points on the line.
• #### The Vector Equation of a Line - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to write the vector equation of a line segment given its endpoints.
• #### Lines in 3D - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find the point where a line passes through the xy-plane given the vector equation of the line.
• #### Set Operation: Union - Problem 1

##### Math›Precalculus›Linear Equations and Inequalities
How to solve a union of two inequalities where the inequalities overlap and go in different directions.
• #### Set Operation: Intersection - Problem 2

##### Math›Precalculus›Linear Equations and Inequalities
How to solve an intersection of two inequalities where the inequalities overlap and go in the same direction.
• #### Vector Quantities - Scalar Quantities

##### Science›Physics›Linear and Projectile Motion
Understanding the differences between vectors and scalar quantities.
• #### Lines in 3D - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find the vector equation, the parametric equations, and the symmetric equation of a line given two points on the line.