Are the only mutants you know Ninja Turtles or X-Men? The video explains both gene mutation and chromosome mutation. It includes the subtypes of mutations for each major type, the times when mutations are more likely to happen, and...

Looking for a way to mix up teaching methods? Here is a video provides a basic introduction to the idea of a limit. Using the information presented, students are able to determine when substitution is appropriate for...

Want to create more independent learning environment? The provided video gives a clear explanation of integration using U-substitution. Use is as a teaching tool or as supplemental material for your unit on limits.

Bromomethane and hydroxide are the components used in these examples. Sal demonstrates how the rate-determining steps in these Nucleophilic Substitutions involve both reactants. The way Sal attempts humor with the technical term of...

Two equations. Wait! They don't look like the same kind of equations. How do you solve a system of equations when one equation is linear and the other is a quadratic? Watch this video as the instructor illustrates how to use the...

Expressions have value. A short video shows individuals how to evaluate algebraic expressions. They see how substitution lets them determine the value of an expression for given values of the variables.

Viewers examine the steps of evaluating expressions by substituting variable values with a video that shows two examples that include parentheses within the expressions. Each example incorporates negative integer practice.

Two equations and two unknown variables in a word problem. Don't cry! Follow the instructor through these nine steps to find the solutions. Identify the variables, write the equations, solve for one of the variables, use the substitution...

The quintessential word problem that makes everyone scream and run away. But wait, come back! Time, distance, when will they get there? You are really only working with one formula: distance= rate times time. You can do this. View this...

This video demonstrates how to solve a system of linear equations by substitution. It also takes it a step further and graphs the system of equations on a coordinate grid. [6:04]

This video demonstrates how to solve a given system of equations by using substitution. [3:44]

This video demonstrates how to solve a system of linear equations by substitution. The sample problem given has no solution. [3:44]

This video demonstrates how to solve a given system of equations by using substitution. [4:39]

This video demonstrates how to solve a word problem by setting up and solving a system of equations. Uses the substitution method. [5:58]

This video demonstrates how to solve a system of linear equations by substitution. Example problem is of two equations in two variables. [4:06]

This video demonstrates how to solve a system of linear equations by using the substitution method. [9:21]

Integrating by using the method of integration by parts two or more times is demonstrated here. This lesson is 4 of 4 in the series titled "Double Integration by Parts."

This lesson shows how a limit may be found for an element of the domain of a function by substituting that value into the function. It is 6 of 7 in the series titled "Finding a Limit Through Substitution."

The concept of applying the chain rule in reverse when finding an anti-derivative is discussed here. This lesson is 5 of 6 in the series titled "Reverse Chain Rule."

This lesson demonstrates how to use substitution to solve a system of equations. It is 10 of 10 in the series titled "Using Substitution."

This lesson demonstrates how to use substitution to solve a system of equations. It is 7 of 10 in the series titled "Using Substitution."

This lesson demonstrates how to use substitution to solve a system of equations. It is 8 of 10 in the series titled "Using Substitution."

In this tutorial, you'll see how to solve a system of linear equations by substituting one equation into the other and solving for the variable, then using that variable value to find the value of the other variable. [3:23]

Plugging variables into an expression is essential for solving many algebra problems. Learn how to do it by watching this tutorial. [3:56]