two points 125 videos

Slope
Algebra 2 Graphs of Linear Equations
How to find the slope between two points.
slope formula slope 
Continuity
Calculus Limits and Continuity
How to determine whether a function f(x) is continuous at a particular point x=a.
limits definition of a function continuous at a point domain of a function 
(x,y) Coordinates and Plotting Points
PreAlgebra Graphing in Two Dimensions
Vocabulary of origin, axes, quadrants, and carteesian coordinates

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 
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 
Limits: A Graphical Approach
Calculus Limits and Continuity
How to determine onesided and twosided limits from the graph of a function.
one sided limits two sided limits limit does not exist piecewise functions left hand limit right hand limit graph graphical approach 
Line Segments
Geometry Geometry Building Blocks
How to define and label a line segment.
line endpoint points 
Regelation
Physics Heat Transfer and Change of Phase
Understanding the relationship between pressure and state of matter.
regelation freezing point freeze 
Compare and Contrast Essay
Writing Types of Essays
An explanation of compare/contrast essays and steps on how to write one.
compare contrast essay point by point block Venn diagram 
Constructing the Incenter
Geometry Constructions
How to construct the incenter using a compass and straightedge.
point of concurrency angle bisectors equidistant 
Constructing the Orthocenter
Geometry Constructions
How to construct the orthocenter of a triangle.
point of concurrency orthocenter altitude construction 
Lines in 3D
Precalculus Vectors and Parametric Equations
How to find the vector and parametric equations of a line when given two points on the line.
the vector equation of a line position vectors direction vector parametric equations 
Properties of Similar Polygons
Geometry Similarity
How to identify if two figures are similar.
similar figures corresponding angles congruence corresponding sides proportional 
The Product Rule
Calculus Techniques of Differentiation
How to differentiate a product of two functions.
differentiation derivative formula power functions the product rule of derivatives 
The Quotient Rule
Calculus Techniques of Differentiation
How to differentiate a quotient of two functions.
differentiation quotient rule product rule derivatives 
Solving Equations  one variable term
PreAlgebra Solving Equations and Inequalities
Solving two step equations with integers

Multiplying Polynomials
Algebra 2 Polynomials
How to multiply two binomials together.
multiplying polynomials foil binomial