Khan Academy
Extraneous Solutions to Radical Equations, Algebra I
In this video, Sal brings it all together and incorporates the concepts from previous lectures (quadratic formula, multiplying polynomial expressions, radical expressions, exponents). This video would be a great way to end a unit or...
Flipped Math
Radical Equations
There might be an extra solution. Pupils discover that the process of solving a radical equation is the same general process of solving any equation. They find out that in some instances, an extraneous solution occurs. Individuals then...
Flipped Math
Solve Rational Equations
It's entirely rational to solve rational equations. Pupils watch a video to learn about solving rational equations in the fourth of five episodes in the Algebra II - Rational Expressions unit. They consider two different methods:...
Krista King Math
Radical Equations
Build an understanding of solving radical equations through an engaging video tutorial. Learners observe the steps of solving radical equations as the instructor works through two examples, including one with an extraneous solution.
Sophia Learning
Sophia: Simplifying an Equation: Lesson 1
From this lesson, you will discover how to make an equation easier to solve by applying simplifying rules to equations. It is 1 of 12 in the series titled "Simplifying an Equation."
Khan Academy
Khan Academy: Algebra: Applying Radical Equations 1
Video solving an application problem that includes solving a radical equation. Equation is solved by isolating the square root and then squaring both sides. [5:24]
Khan Academy
Khan Academy: Algebra: Solving Radical Equations 1
Video solving an equation with a square root by isolating the square root and then squaring both sides of the equation. Also checks the solution to make sure it holds true in the original equation. [2:14]
Khan Academy
Khan Academy: Algebra 2: Solving Rational Equations 1
A step-by-step breakdown on how to solve a rational equation with constraints. [4:12]
Virtual Nerd
Virtual Nerd: What Is the Product Property of Square Roots?
To simplify radicals, review the product property of square roots. This video will explain the concept along with examples. [4:15]
Khan Academy
Khan Academy: Algebra: Solving Rational Equations 3
A step-by-step breakdown on how to solve a rational equation with constraints with more than one solution. [4:32]
Khan Academy
Khan Academy: Algebra: Rational Equations
A step-by-step breakdown to solve a rational equations and find the excluded values. [4:16]
Khan Academy
Khan Academy: Algebra: Conic Sections: Non Linear Systems of Equations 3
The final video in a series of lessons on solving non-linear systems of equations. A quadratic system is given and, in the process of solving algebraically, it is determined that there is no solution. This conclusion is confirmed...
Khan Academy
Khan Academy: Algebra: Radical Expressions With Higher Roots
Video first finding the square root of an integer and then working towards finding larger roots of numbers by utilizing fractional exponents and exponent rules. Highest root is the 6th root. Includes an example with a variable. Video is...
Khan Academy
Khan Academy: Algebra: Solving Rational Equations 2
A step-by-step breakdown on how to solve a rational equation with constraints. [4:08]
Khan Academy
Khan Academy: Algebra: Multiply and Simplify a Radical Expression 2
Video showing how to divide radicals and then simplify the results by using the rules of exponents. [3:07]
Khan Academy
Khan Academy: Algebra: Rational Inequalities 2
A step-by-step breakdown on how to solve a rational inequality. [13:15]
Khan Academy
Khan Academy: Algebra 2: Applying Rational Equations 3
A step-by-step breakdown on how to solve a rational equation in a real-world application problem. [7:59]
Khan Academy
Khan Academy: Algebra: Linear Equations 1
A video that demonstrates how to solve linear equations of the form Ax=B. There are three examples that vary using whole numbers and positive and negative fractions. [7:28]
Khan Academy
Khan Academy: Algebra: Square Roots and Real Numbers
This resource explains how to find the square root of real numbers using their prime factorizations and labeling the results as rational or irrational. [10:19]
Khan Academy
Khan Academy: Algebra 2: Applying Rational Equations 2
A step-by-step breakdown on how to solve a rational equation in a real-world application problem. [6:00]
Khan Academy
Khan Academy: Algebra: Simplifying Square Roots Comment Response
Video simplifying the square root of an algebraic expression found in the previous video [Simplifying Square Root] using a different process. Includes a discussion of the domain of the variable. [4:16]
Khan Academy
Khan Academy: Algebra: Extraneous Solutions to Radical Equations
Video solving a radical equation that results in a quadratic equation and yields an extraneous solution. Explains how the extraneous solution appeared. [11:10]
Khan Academy
Khan Academy: Algebra: Simplifying Radicals
Video working through multiple examples of simplifying radicals by finding the largest perfect square factor. Includes a discussion about how simplifying radicals is the same as using fractional exponents and following the rules of...
Khan Academy
Khan Academy: Algebra: Solving Radical Equations
This video demonstrates how to solve an equation with a square root by isolating the square root and then squaring both sides of the equation. Includes checking the solution to make sure it holds true in the original equation.