equation of a line 219 videos

Angle Inclination of a Line
Trigonometry Advanced Trigonometry
How to find the angle of inclination of a line.
angle inclination horizontal lines tangent slope 
Horizontal and Vertical Lines
PreAlgebra Graphing in Two Dimensions
Equations and slopes of horizontal and vertical lines

Continuity Equation
Physics Solids, Liquids and Gases
An explanation of the Continuity Equation.
continuity equation fluids flow 
Solving Radical Equations
Algebra Radical Expressions and Equations
How to solve rational equations.
radicand equation 
Differential Equations
Calculus Antiderivatives and Differential Equations
How to solve simple differential equations.
differential equations derivatives 
Chemical Equations
Chemistry Chemical Reactions
How to write a skeletal chemical equation.
chemical equations reaction 
Constructing a Perpendicular to a Line
Geometry Constructions
How to find the shortest distance between a point and a line.
construction midpoint perpendicular equidistant shortest distance to a line 
SlopeIntercept Form of a Line
Algebra 2 Graphs of Linear Equations
How to graph a line in slopeintercept form.
slope intercept y=mx+b graphing a line 
Finding the Slope of a Line from an Equation
Algebra Linear Equations and Their Graphs
How to use the slopeintercept form of a line.
slope slope intercept form y intercept 
Finding the Slope of a Line from an Equation
Algebra 2 Graphs of Linear Equations
How to use the slopeintercept form of a line.
slope slope intercept form y intercept 
Net Ionic Equation
Chemistry Chemical Reactions
How to write a net ionic equation.
net ionic equation balancing chemical equation neutralization 
Perpendicular, Parallel and Skew Lines in Space
Precalculus Vectors and Parametric Equations
How to determine whether two lines in space are parallel or perpendicular.
perpendicular lines dot product direction vectors parallel lines scalar multiple skew lines 
Balancing Chemical Equations
Chemistry Chemical Reactions
How to balance a chemical equation.
balancing chemical equation 
Solving Literal Equations
Algebra Solving Equations
How to solve literal equations.
literal equation solve 
Introduction to Systems of Equations
Algebra Solving Systems of Equations
How to solve a system of equations.
system of equations solution to a system of equations substitution elimination matrices 
Solving Systems of Equations by Graphing
Algebra Solving Systems of Equations
How to solve a system of equations using graphing.
system of equations solution to a system of equations graphing 
Solving Twostep Equations
Algebra Solving Equations
How to solve twostep equations.
expressions equations solutions 
Proportional Segments Between Parallel Lines
Geometry Similarity
How to prove two triangles are similar using a line parallel to a base.
parallel lines triangles similar triangles proportion 
Solving an Equation with Radicals
Algebra 2 Roots and Radicals
How to solve an equation with a square root.
radical equation squaring both sides