• #### Introduction to the 3D Coordinate System - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find the components of a vector from point A to point B in three-dimensions, and how to find its length.
• #### 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.
• #### Algebraic Representation of Vectors - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to express a vector from point Q to point R algebraically in component form <a,b>.
• #### The Midpoint and Distance Formulas in 3D - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find the equation of the set of points equidistant from two given points.
• #### The Midpoint and Distance Formulas in 3D - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to derive the formula for the midpoint of a segment in three dimensions.
• #### Parametrizing a Line Segment - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to write the parametric equations of a line segment that goes from point A to point B.