# the vector equation of a line   241 videos

• #### The Cross Product of Vectors

##### PrecalculusSystems of Linear Equations and Matrices

How to compute the cross product of two 3D vectors.

unit vectors components cross product determinant
• #### 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
• #### The Geometric Representation of Vectors

##### PrecalculusVectors and Parametric Equations

How to understand what vectors are, and how they can be represented geometrically.

Magnitude Direction Scalar Vector Directed Line Segment Initial Point Terminal Point
• #### Standard Form of a Line

##### Algebra 2Graphs of Linear Equations

How to use standard form of a line.

standard form of a line
• #### The Dot Product of Vectors

##### PrecalculusVectors and Parametric Equations

How to compute the dot product of two vectors.

vector components component form dot product scalar product
• #### Perpendicular, Parallel and Skew Lines in Space

##### PrecalculusVectors and Parametric Equations

How to determine whether two lines in space are parallel or perpendicular.

perpendicular lines dot product direction vectors parallel lines scalar multiple skew lines
• #### 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
• #### Angle Inclination of a Line

How to find the angle of inclination of a line.

angle inclination horizontal lines tangent slope
• #### Angle Inclination of a Line

How to find the angle of inclination of a line.

angle inclination horizontal lines tangent slope
• #### Tangent Lines and Optimization

##### AP Calculus ABAP Calculus Videos
Equations of tangent lines optimization problems
• #### Algebraic Representation of Vectors

##### PrecalculusVectors and Parametric Equations

How to express a position vector algebraically in component form <a,b>, and how to compute its magnitude.

position vector vector components horizontal component vertical component component form magnitude length
• #### Vector Operations in 3D

##### PrecalculusVectors and Parametric Equations

How to perform vector operations like addition, scalar multiplication, the dot product, and finding the magnitude, in three dimensions.

vectors components vector addition scalar multiplication the dot product the scalar product magnitude length three dimensions
• #### Horizontal and Vertical Lines

##### Pre-AlgebraGraphing in Two Dimensions

Equations and slopes of horizontal and vertical lines

• #### Continuity Equation

##### PhysicsSolids, Liquids and Gases

An explanation of the Continuity Equation.

continuity equation fluids flow