This video explains how to determine the point of intersection of a line in space given by a vector valued function and a coordinate plane.

26 Aug

## Ex: Find the Point of Intersection of a Line Given by a Vector Function and a Coordinate Plane

26 Aug

## Ex: Find Parametric Equations of a Line in Space Parallel to a Vector Containing a Given Point

This video explains how to determine parametric equations of a line in space containing a given point and parallel to a given vector.

26 Aug

## Ex: Find a Component of a Vector So Two Vectors are Orthogonal (Dot Product)

This video explains how to determine a unknown component of one vector so that two vectors are orthogonal or perpendicular.

26 Aug

## Ex: Find Two Unit Vectors Orthogonal to Two Given Vectors

This video explains how to use the cross product of two vectors to determine two unit vectors that are orthogonal to two given vectors.

19 Aug

## Ex: Determine If a Function Is a Power Function

This video reviews the definition of a power function to determine if various functions are power functions. The graphs of several power functions are also reviewed.

17 Aug

## Application Using a System of Linear Equations (L12.4)

This lesson explains how to solve an application problem using a system of linear equations.

17 Aug

## Solving Systems of Linear Equations Using Addition (Elimination) (L12.3)

The lesson explains how to solve a system of linear equation using the addition (elimination) method. All solutions are verified.