• #### The Midpoint and Distance Formulas in 3D - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find the equation of a sphere with center (a,b,c) and radius r.
• #### The Midpoint and Distance Formulas in 3D - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find the length and midpoint of a segment in three dimensions.
• #### 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.
• #### 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 - Problem 4

##### Math›Precalculus›Vectors and Parametric Equations
How to find the center and radius of a sphere when its equation is not in center-radius form by completing the square.
• #### Parametrizing a Line Segment - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find a parametrization of segment AB that uses s, the distance from point A, as a parameter.
• #### 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.
• #### Introduction to the 3D Coordinate System - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to define the components and length of a position vector in three dimensions.
• #### Motion Along a Line - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find the velocity and speed, and the displacement and distance traveled, of an object traveling in a straight line.
• #### Introduction to the 3D Coordinate System - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find the coordinates of the vertices of a rectangular box.
• #### Parametric Equations and Motion - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to find the horizontal distance a projectile travels and how to graph on the TI-84 the parametric equations describing its motion.
• #### Displacement

##### Science›Physics›Linear and Projectile Motion
An explanation of displacement.