# the symmetric equation of a line   221 videos

• #### The Vector Equation of a Line

##### PrecalculusVectors and Parametric Equations

How to write the vector equation of a line.

position vector direction vector vector addition scalar multiple vector equation line
• #### Lines in 3D

##### PrecalculusVectors and Parametric Equations

How to find the vector and parametric equations of a line when given two points on the line.

the vector equation of a line position vectors direction vector parametric equations
• #### Finding the Equation of a Graphed Line

##### AlgebraLinear Equations and Their Graphs

How to write the equation of a graphed line.

point slope form slope intercept form slope y intercept
• #### Parametrizing a Line Segment

##### PrecalculusVectors and Parametric Equations

How to write the parametric equations of a line segment that goes from point A to point B.

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• #### Lines in Polar Coordinates

##### PrecalculusPolar Coordinates and Complex Numbers

How to find the polar equation of a line through the origin (or pole).

polar coordinates lines origin polar equation rectangular equation
• #### Point-Slope Form of a Line

##### Algebra 2Graphs of Linear Equations

How to use point-slope form of a line.

point slope form equation of a line
• #### Motion Along a Line

##### PrecalculusVectors and Parametric Equations

How to write equations describing motion in a straight line given the velocity and the position when t=0.

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• #### Line Segments

##### GeometryGeometry Building Blocks

How to define and label a line segment.

line endpoint points
• #### Constructing a Perpendicular at a Point on a Line

##### GeometryConstructions

How to construct a perpendicular line at a point on a line.

perpendicular point on the line construct
• #### Parallel and Skew Lines

##### GeometryGeometry Building Blocks

How to mark parallel lines, how to show lines are parallel, and how to compare skew and parallel lines.

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• #### Parallel and Skew Lines

##### PrecalculusEquations of Lines, Parabolas and Circles

How to mark parallel lines, how to show lines are parallel, and how to compare skew and parallel lines.

parallel lines skew lines coplanar collinear
• #### Point-Slope Form of Linear Equations

##### AlgebraLinear Equations and Their Graphs

How to write the equation of a line in point-slope form.

slope equation
• #### Parallel Planes and Lines

##### GeometryGeometry Building Blocks

How to identify parallel lines, a line parallel to a plane, and two parallel planes.

parallel lines skew plane
• #### Parallel Planes and Lines

##### PrecalculusEquations of Lines, Parabolas and Circles

How to identify parallel lines, a line parallel to a plane, and two parallel planes.

parallel lines skew plane
• #### Standard Form of a Line

##### Algebra 2Graphs of Linear Equations

How to use standard form of a line.

standard form of a line
• #### Thermochemical Equation

##### ChemistryThermochemistry

Understanding and solving thermochemical equations.

thermochemical equations
• #### Lens Equation

##### PhysicsLight

The use of lens equation.

lens equation
• #### Converse of Parallel Lines Theorem

##### GeometryReasoning, Diagonals, Angles and Parallel Lines

How to take the converse of the parallel lines theorem.

parallel lines theorem transversal
• #### Converse of Parallel Lines Theorem

##### PrecalculusEquations of Lines, Parabolas and Circles

How to take the converse of the parallel lines theorem.

parallel lines theorem transversal