17 Videos for "two variables"

Solving a System of Linear Equations in Two Variables  Concept
Math › Algebra 2 › Systems of Linear Equations
How to solve a system of linear equations in two variables. 
Solving a System of Linear Equations in Two Variables  Problem 1
Math › Algebra 2 › Systems of Linear Equations
How to solve a system of linear equations in two variables with substitution. 
Absolute Value Inequality Graphs in Two Variables  Concept
Math › Algebra › Absolute Value
How to solve and graph absolute value inequalities with x and y. 
Absolute Value Inequality Graphs in Two Variables  Problem 1
Math › Algebra › Absolute Value
How to solve and graph absolute value inequalities with x and y when making a table. 
Absolute Value Inequality Graphs in Two Variables  Problem 3
Math › Algebra › Absolute Value
How to solve and graph absolute value inequalities with x and y when the vertex shifts. 
Solving a System of Linear Equations in Two Variables  Problem 3
Math › Algebra 2 › Systems of Linear Equations
How to solve a system of linear equations using elimination that yields parallel lines. 
Solving a System of Linear Equations in Two Variables  Problem 2
Math › Algebra 2 › Systems of Linear Equations
How to solve a system of linear equations using elimination that yields no solution. 
Absolute Value Inequality Graphs in Two Variables  Problem 2
Math › Algebra › Absolute Value
How to solve and graph absolute value inequalities with x and y when solving for y first. 
Factoring: Special Cases Part II  Problem 5
Math › Algebra › Factoring
Factoring by grouping with two variables 
Scatterplots and Correlations  Concept
Math › Algebra › Introduction to Statistics
How to identify positive correlations, negative correlations, or no correlation between two variables. 
Scatterplots and Correlations  Problem 1
Math › Algebra › Introduction to Statistics
How to find the correlation of two variables from a scatterplot. 
Inverse Variation  Concept
Math › Algebra › Linear Equations and Their Graphs
How to tell if two variables vary inversely. 
Direct Variation  Concept
Math › Algebra › Linear Equations and Their Graphs
How to tell if two variables vary directly. 
Direct Variation  Problem 1
Math › Algebra › Linear Equations and Their Graphs
How to write the equation that relates two variables that vary directly. 
Direct Variation  Problem 2
Math › Algebra › Linear Equations and Their Graphs
How to write the equation that relates two variables that vary directly from a word problem. 
HL  Problem 3
Math › Geometry › Triangles
How to solve for a variable to make two right triangles congruent using the HL shortcut. 
Inverse Variation  Problem 3
Math › Algebra › Linear Equations and Their Graphs
How to solve for a variable in an ordered pair if told that two points are solutions to an inverse variation.