# solving log equations   220 videos

• #### Solving a Linear System in Three Variables with no or Infinite Solutions

##### Algebra 2Systems of Linear Equations

How to solve a system of linear equations in three variables that yields no, or many solutions.

solving a system in three variables elimination substitution
• #### Point-Slope Form of Linear Equations

##### AlgebraLinear Equations and Their Graphs

How to write the equation of a line in point-slope form.

slope equation
• #### Trigonometric Equations that Require Factoring

How to solve a sine equation by factoring: 4 [sin(theta)]^2 = 2.

trigonometric equations factoring the unit circle principal solutions periodicity
• #### Trigonometric Equations that Require Factoring

How to solve a sine equation by factoring: 4 [sin(theta)]^2 = 2.

trigonometric equations factoring the unit circle principal solutions periodicity
• #### Solving and Graphing Inequalities using Multiplication or Division

##### AlgebraSolving and Graphing Inequalities

How to solve and graph one variable inequalities using multiplication or division.

inequality notation solve
• #### Applications of Linear Equations

##### AlgebraLinear Equations and Their Graphs

How to write equations for and graph word problems.

word problem equation
• #### Applications of Linear Equations

##### Algebra 2Graphs of Linear Equations

How to write equations for and graph word problems.

word problem equation
• #### Overview of the Different Methods of Solving a Quadratic Equation

##### Algebra 2Quadratic Equations and Inequalities

How to know which method to use when solving a quadratic equation.

factoring square root property completing the square quadratic formula pros cons comparison
• #### Absolute Value Equations

##### AlgebraAbsolute Value

How to solve equations with absolute values.

absolute value solutions
• #### Solving Linear Systems Using Matrix Algebra

##### PrecalculusSystems of Linear Equations and Matrices

How to convert a system of linear equations into a matrix equation and solve it.

matrices square matrices matrix equation coefficient matrix inverse matrix identity matrix matrix multiplication
• #### Writing an Equation to Describe Pictures

##### AlgebraGraphs and Functions

How to write an equation to describe a set of pictures.

equation pattern slope y intercept
• #### Inconsistent and Dependent Systems of Equations

##### AlgebraSolving Systems of Equations

How to identify a system of equations that is inconsistent or dependent.

system of equations solution parallel dependent inconsistent
• #### Expanding Logarithms

##### Algebra 2Inverse, Exponential and Logarithmic Functions

How to use the laws of logarithms to expand a log.

rules of logarithms rules of logs
• #### Condensing Logarithms

##### Algebra 2Inverse, Exponential and Logarithmic Functions

How to use the laws of logarithms to condense a log.

rules of logarithms rules of logs
• #### Expanding Logarithms

##### PrecalculusExponential and Logarithmic Functions

How to use the laws of logarithms to expand a log.

rules of logarithms rules of logs
• #### Condensing Logarithms

##### PrecalculusExponential and Logarithmic Functions

How to use the laws of logarithms to condense a log.

rules of logarithms rules of logs
• #### Solvling fraction equations

##### Pre-AlgebraFractions and MIxed Numbers

Solving two step equations that involve fractions

• #### Solving Proportions

##### GeometrySimilarity

How to solve a simple proportion.

ratio proportion
• #### Standard Form of Linear Equations

##### AlgebraLinear Equations and Their Graphs

How to determine what form an equation is written in.

standard form point slope form slope intercept form equation coefficient
• #### The Vector Equation of a Line

##### PrecalculusVectors and Parametric Equations

How to write the vector equation of a line.

position vector direction vector vector addition scalar multiple vector equation line