This video compares a voltaic cell to an electrolytic cell. [6:51]

Calculate how much zinc deposits on the zinc electrode after 1.0 h when a current of 5.0 A is applied to the battery. [6:54]

Video expands the examples of linearly independent and linearly dependent vectors shown in the previous video to give a formal definition of linearly dependent vectors. Shows a proof of the definition and then gives an example of using...

Video reviews what the null space of a matrix is and how to calculate it, then relates it to linear independence. Shows that if the vectors are linearly independent then the null space is the zero vector. Also shows that if the null...

Demonstrates how to subtract polynomials when there are multiple variables in each polynomial. [2:10]

This video explains how to convert between units of speed. Practice problems are available. [9:56]

This video demonstrates how to graph an inequality with two variables and check your graph by substituting ordered pairs back into the inequality. Practice problems available. [5:20]

A detailed explanation of the processes of diffusion and osmosis. [18:59]

Explanation of the Koch Snowflake and why it has an infinite perimeter but a finite area. [9:11]

A video lesson proving that the projection of a vector is actually the closest vector in the subspace to the original vector. [9:05]

Video deriving the triple product expansion by expanding the cross product of 3 vectors and then simplifying it to the difference of dot products. [14:25]

Video shows how to use polynomial multiplication to find the volume of a cylinder of given dimensions. The problem requires multiplying a binomial and a trinomial. [4:19]

An explanation of how pH changes during various acid-base titrations. [11:02]

Video first reviews properties of the Laplace transform that were shown in previous videos as well as Laplace transform table values that have been shown in previous videos. Then uses the properties and inverse Laplace transforms to find...

This video demonstrates the inverse property of addition. Practice problems are available. [2:59]

Video explaining two properties of transpose matrices: that the transpose of the sum of two matrices is equivalent to the sum of the transpose of each matrix and that the inverse of the transpose of a matrix is equivalent to the...

A step-by-step breakdown to solve a rational equations and find the excluded values. [4:16]

Video shows that the transformation matrix of the composition of linear functions is the product of the transformation matrices of each linear transformation in the composition. [16:30]

This video tutorial [12:55] demonstrates solutions to problems #10-14 of California Geometry released state test questions. Problems address understanding of counterexamples, properties of quadrilateral diagonals, and similar triangles.

An instructional video describing complex conjugates. Complex conjugates are defined and then used to simplify a problem in which a complex number is divided by another complex number. [8:03]

A video lesson showing the algebraic relationship between the equation of an arbitrary hyperbola and its arbitrary tangent line. [10:04]

A detailed explanation of how a neuron transmits information from a dendrite to an exon. [13:53]

Video creating a basis out of n linearly independent eigenvectors. Reviews transformations and change of basis matrices. Shows that when the eigenbasis is used as an alternate coordinate system, the transformation is a diagonal matrix...

Video lesson showing how to solve for the antiderivative of (2^ln x)/x by using u-substitution. [8:40]