• #### 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.
• #### 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.
• #### Motion Along a Line - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to write equations describing motion in a straight line given the velocity and the position when t=0.
• #### 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.
• #### Motion Along a Line - Problem 3

##### Math›Precalculus›Vectors and Parametric Equations
How to determine whether two ants, each moving in a straight line, ever meet.
• #### Motion Along a Line - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to write equations describing motion in a straight line given the velocity and the position when t=2.
• #### 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.
• #### Lines in 3D - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find the vector equation of a line parallel to a given line L that passes through a given point not on L.
• #### Parametrizing a Line Segment - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to find parametric equations of segment AB when A=(-9,4) and B=(7,-8).
• #### Parametrizing a Line Segment - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find parametric equations of segment AB when A=(3,8) and B=(21,16).
• #### 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.
• #### 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 - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to write the vector equation of a line.
• #### The Vector Equation of a Line - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to write the vector equation of a line given its slope and one point 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.
• #### Parametric Equations and Motion - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to determine the path of an object by eliminating the parameter when the position is given by parametric equations.
• #### Perpendicular, Parallel and Skew Lines in Space - Problem 2

##### Math›Precalculus›Vectors and Parametric Equations
How to determine whether two lines in space intersect, and if not, how to determine if they are parallel.
• #### Perpendicular, Parallel and Skew Lines in Space - Problem 1

##### Math›Precalculus›Vectors and Parametric Equations
How to find the equation of a line parallel to and perpendicular to a given line in space.
• #### 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.
• #### Perpendicular, Parallel and Skew Lines in Space - Concept

##### Math›Precalculus›Vectors and Parametric Equations
How to determine whether two lines in space are parallel or perpendicular.