two points 125 videos

Boiling Point
Chemistry KineticMolecular Theory
The point at which matter boils.
boiling point vapor pressure atmospheric pressure 
Constructing a Perpendicular at a Point on a Line
Geometry Constructions
How to construct a perpendicular line at a point on a line.
perpendicular point on the line construct 
PointSlope Form of a Line
Algebra 2 Graphs of Linear Equations
How to use pointslope form of a line.
point slope form equation of a line 
Freezing Point Depression
Chemistry Chemical Solutions
Understanding the colligative property of solutions that decreases the freezing point.
freezing point depression elevation pressure vapor 
Plotting Points and Naming Quadrants
Algebra Graphs and Functions
How to plot points and name quadrants.
origin quadrants rectangular coordinates Cartesian coordinates points axis 
Boiling Point Elevation
Chemistry Chemical Solutions
Understanding the colligative property of solutions that elevates boiling point.
boiling point elevation temperature difference vapor pressure atmospheric pressure 
Finding the Slope of a Line from 2 Points
Algebra Linear Equations and Their Graphs
How to find the slope if you're given 2 points.
slope point ratio 
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 
Point of Concurrency
Geometry Constructions
How to define point of concurrency; how to identify the four main points of concurrency in triangles.
intersection incenter angle bisectors circumcenter perpendicular bisector orthocenter altitude centroid median 
Three Undefined Terms: Point, Line, and Plane
Geometry Geometry Building Blocks
How to describe and label point, line, and plane. How to define coplanar and collinear.
point line plane coplanar collinear 
Solving Twostep Equations
Algebra Solving Equations
How to solve twostep equations.
expressions equations solutions 
Two Column Proofs
Geometry Triangles
How to organize a two column proof.
statement reason cpctc prove show congruent triangles 
Critical Points
Calculus Applications of the Derivative
How to find a twosided limit by investigating onesided limits.

Proving Two Functions are Inverses
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to use algebra to show that two functions are inverses.
proving inverses composition 
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 
The Resultant of Two Forces
Precalculus Vectors and Parametric Equations
How to find the resultant of two forces when they are parallel, opposite, or perpendicular in direction.
Forces Resultant Vector Addition Magnitude Direction The Pythagorean Theorem 
Concavity and Inflection Points
Calculus Applications of the Derivative
How to show that a function is discontinuous at a point x=a because it is not defined there.

PointSlope Form of Linear Equations
Algebra Linear Equations and Their Graphs
How to write the equation of a line in pointslope form.
slope equation 
Solving Equations two variable terms
PreAlgebra Solving Equations and Inequalities
Simplify each side of an equation before solving with two variable terms

Midpoint Formula
Algebra 2 Graphs of Linear Equations
How to find the midpoint of two points.
midpoint formula