solving a system in three variables 175 videos

Solving Equations  one variable term
PreAlgebra Solving Equations and Inequalities
Solving two step equations with integers

Inconsistent and Dependent Systems of Equations
Algebra Solving Systems of Equations
How to identify a system of equations that is inconsistent or dependent.
system of equations solution parallel dependent inconsistent 
Systems of Inequalities
Algebra Solving Systems of Equations
How to find the solution region for a system of inequalities.
system of inequality inequality greater than less than greater than or equal to less than or equal to solution region 
Solving Quadratic Equations in Disguise
Algebra 2 Quadratic Equations and Inequalities
How to solve a complicated looking quadratic equation by substitution.
solving a quadratic factoring patterns 
Solving Linear Systems Using Matrix Algebra
Precalculus Systems 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 
Rectangular Coordinate System
Algebra 2 Graphs of Linear Equations
How to talk about the rectangular coordinate system.
rectangular coordinate system xy axis quadrant points on a line finding intercepts 
Using Synthetic Division to Solve an Equation
Algebra 2 Factoring
How to use synthetic division to solve a polynomial equation.
synthetic division solving 
Solving Singlestep Equations
Algebra Solving Equations
How to solve single step equations with one variable.
expressions equations solutions2 
Solving Exponential Equations with the 'Same' Base
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to solve an exponential equation where the bases are the same.
solving exponential equations bases equal 
Solving Exponential Equations with the 'Same' Base
Precalculus Exponential and Logarithmic Functions
How to solve an exponential equation where the bases are the same.
solving exponential equations bases equal 
Absolute Value Inequality Graphs in Two Variables
Algebra Absolute Value
How to solve and graph absolute value inequalities with x and y.
inequality absolute value graphing inequalities with two variables 
Graphing One Variable Inequalities
PreAlgebra Solving Equations and Inequalities
Graphing one variable inequalities on a number line

Solving a Rational Equation for a parameter
Algebra 2 Rational Expressions and Functions
How to solve a simple rational equation for a parameter.
rational equation parameter variable lcd least common denominator 

Introduction to the 3D Coordinate System
Precalculus Vectors and Parametric Equations
How to define the components and length of a position vector in three dimensions.
axes coordinates position vector components magnitude length distance origin 
Absolute Value Inequalities
Algebra Absolute Value
How to solve and graph absolute value inequalities with one variable.
inequality absolute value graphing inequalities with one variable