### Lumos Video Store

## This page provides a list of educational videos related to Equations. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Equations.

# An Intro to Solving Linear Equations: Solving some Basic Linear Equations

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By patrickJMT

An Intro to Solving Linear Equations: Solving some Basic Linear Equations

**In this video**

# Solving matrix equations

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By Khan Academy

After he represented a system of equations with a single matrix equation, Sal solves that matrix equation using the inverse of the coefficient matrix.

**In this video**

# Radical equations

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By Khan Academy

Sal explains what square-root equations are, and shows an example of solving such an equation and checking for extraneous solutions.

**In this video**

# Graphing Quadratic Equations

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By Marc Whitaker

Instructor uses a white board to model graphing quadratic equations. Examples show using quadratic equations in standard form to determine the line of symmetry, create a table of values, and graph the quadratic equation by using these values.

**In this video**

# Graphing systems of equations | Systems of equations | 8th grade | Khan Academy

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By Khan Academy

This video describes graphing systems of equations.

**In this video**

# Writing systems of equations as matrix equations

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By Khan Academy

Sal shows how a system of two linear equations can be represented with the equation A*x=b where A is the coefficient matrix, x is the variable vector, and b is the constant vector.

**In this video**

# Absolute value equations 1 | Linear equations | Algebra I | Khan Academy

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By Khan Academy

Absolute Value Equations 1

**In this video**

# Solving Systems of Equations using Substitution

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By Mathispower4u

Solving Systems of Equations using Substitution

**In this video**

# Graphing Systems of Equations Video: Graphing Systems of Equations

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By yourteachermathhelp

This lesson explains how to solve a system of two equations by graphing. The instructor begins by graphing the line for each equation. Then he demonstrates how to find the point of intersection which is the solution for the system.

**In this video**

# Creating and Solving Equations

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By KSAMathematics

This video addresses common mistakes and misconceptions when creating and solving equations. The examples focus specifically on creating equations from geometric shapes.

**In this video**

# Extraneous solutions to radical equations

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By Khan Academy

Sal explains what square-root equations are, and shows an example of solving such an equation and checking for extraneous solutions.

**In this video**

# Fundamentals in solving Equations in one or more steps

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By MathPlanetVideos

Solve the equation

**In this video**

# Linear equations in the coordinate plane

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By MathPlanetVideos

Find the values of x and draw this equation in a graph

**In this video**

# Solve systems of equations by graphing

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By MathPlanetVideos

Find the solution of two equations by graphing

**In this video**

# Solving Systems of Equations using Substitution

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By Mathispower4u

Solving Systems of Equations using Substitution

**In this video**

# Writing Equations of Exponential Functions

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By drmikedcook

Writing Equations of Exponential Functions

**In this video**

# Writing Equations of Exponential Functions

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By drmikedcook

Writing Equations of Exponential Functions

**In this video**

# Equations of conic sections

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By MathPlanetVideos

Write the given equation on the standard equation form for ellipses

**In this video**