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.
This video explains how to determine parametric equations of a line in space containing a given point and parallel to a given vector.
This video explains how to determine a unknown component of one vector so that two vectors are orthogonal or perpendicular.
This video explains how to use the cross product of two vectors to determine two unit vectors that are orthogonal to two given vectors.
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.
This lesson explains how to solve an application problem using a system of linear equations.
The lesson explains how to solve a system of linear equation using the addition (elimination) method. All solutions are verified.