equations 164 videos

Hess's Law
Chemistry Thermochemistry
Understanding Hess' Law.
Hess' Hess's Law thermochemical equations enthalpy 
HardyWeinberg
Biology Evolution
Predicting allele frequency in Hardy Weinberg equilibrium.
genetic equilibrium hardy weinberg equation allele frequency 
Exploring Quadratic Graphs
Algebra Quadratic Equations and Functions
How to make a table to graph any quadratic equation.
table quadratic shift 
Completing the Square
Algebra Quadratic Equations and Functions
How to solve a quadratic equation by completing the square.
completing the square perfect square trinomial 
The Discriminant
Algebra Quadratic Equations and Functions
How to calculate and interpret the discriminant of a quadratic equation.
discriminant x intercepts number of solutions 
Stoichiometry
Chemistry Chemical Reactions
How to use stoichiometry to work with chemical equations.
stoichiometry law of conservation of mass 
Formulas
PreAlgebra Solving Equations and Inequalities
The importance of solving literal equations for a given variable

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 
Augmented Matrices
Algebra 2 Matrices
How to use matrices to solve a system of linear equations.
augmented matrix row operations scalar multiple 
Rate Word Problems
Algebra Word Problems Using Systems of Equations
How to solve word problems involving rates of travel, possibly including wind or water current.
rate ratio d=rt word problem system of equations 
Introduction to Planes
Precalculus Vectors and Parametric Equations
How to write an equation for the coordinate planes or any plane that is parallel to one.
coordinate axes coordinate planes octants the first octant planes three dimensions 
Shifts in Absolute Value Graphs
Algebra Absolute Value
How to graph absolute value equations without making a table of values.
shift dilation absolute value V graph 
Distance Formula
Geometry Pythagorean Theorem
How to derive the equation for the distance between two points using the Pythagorean Theorem.
distance coordinate plane ordered pair segment 
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 
Graph of Logarithmic Functions
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to find the graph of a logarithmic equation with a base greater than one.
log graph logarithmic graphs inverse graphically domain range asymptote 
Distance Formula
Trigonometry Pythagorean Theorem
How to derive the equation for the distance between two points using the Pythagorean Theorem.
distance coordinate plane ordered pair segment 
Graph of Logarithmic Functions
Precalculus Exponential and Logarithmic Functions
How to find the graph of a logarithmic equation with a base greater than one.
log graph logarithmic graphs inverse graphically domain range asymptote 
ACT Algebra
ACT ACT Math
Short, helpful video on ACT Algebra by top ACT prep instructor, Devorah. Videos are produced by leading online education provider, Brightstorm.
Elementary algebra intermediate algebra substituting variables simplifying expressions solving linear equations