constant and variable 50 videos


Planck's Constant
Physics The Atom and Quantum Physics
Understanding and solving problems using Planck's constant.
blackbody radiation thermal contact thermal equilibrium 
Planck's Constant
Chemistry The Atom
Understanding and solving problems using Planck's constant.
blackbody radiation thermal contact thermal equilibrium 
Solving a Linear System in Three Variables with a Solution
Algebra 2 Systems of Linear Equations
How to solve a system of linear equations in three variables.
solving a system in three variables elimination substitution 
Solving a Linear System in Three Variables with no or Infinite Solutions
Algebra 2 Systems 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 
Solving a System of Linear Equations in Two Variables
Algebra 2 Systems of Linear Equations
How to solve a system of linear equations in two variables.
solving a system in two variables substitution elimination intersection parallel same line 
Graphing One Variable Inequalities
PreAlgebra Solving Equations and Inequalities
Graphing one variable inequalities on a number line

Solving Equations with a Variable on Both Sides
Algebra Solving Equations
How to solve equations with the same variable on both sides.
expressions equations solutions implying like terms combining like terms distributive property 
Distributing
PreAlgebra Polynomials
Distributing a constant, variable, or negative over a polynomial

Solving Equations two variable terms
PreAlgebra Solving Equations and Inequalities
Simplify each side of an equation before solving with two variable terms

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 
Direct Variation
Algebra Linear Equations and Their Graphs
How to tell if two variables vary directly.
direct variation y intercept constant of variation 
Inverse Variation
Algebra Linear Equations and Their Graphs
How to tell if two variables vary inversely.
inverse variation constant of variation product rule for inverse variation 
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 
Introduction to Functions
Algebra 2 Functions
How to define a function.
function dependent variable independent variable