factor 42 videos

Graphing Polynomial Functions with Repeated Factors
Precalculus Polynomial and Rational Functions
How we identify the behavior of a polynomial graph near an xintercept.
polynomial functions leading term end behavior x intercepts 
Multiplying and Dividing Rationals
Algebra Rational Expressions and Functions
How to multiply and divide rational expressions.
monomial exponent factor trinomial 
Solving Quadratic Equations in Disguise
Algebra 2 Quadratic Equations and Inequalities
How to solve a complicated looking quadratic equation by substitution.
solving a quadratic factoring patterns 
Pascal's Triangle
Precalculus Topics in Discrete Math
How to use Pascal's triangle.
zero product property factoring constant 
Pascal's Triangle
Algebra 2 Polynomials
How to use Pascal's triangle.
zero product property factoring constant 
Difference of Perfect Squares
Algebra Factoring
How to recognize and factor a binomial that is the difference of perfect squares.
perfect square coefficients binomial 
Divisibility
PreAlgebra Prime Numbers
Shortcuts to determine whether a number is a factor of another

Find an Equation of the Polynomial Function
Precalculus Polynomial and Rational Functions
How we identify the equation of a polynomial function when we are given the intercepts of its graph.
polynomial functions cubic functions x intercepts factors end behavior leading coefficient stretch factor 
Finding Zeros of a Polynomial Function
Precalculus Polynomial and Rational Functions
How we find the zeros of a polynomial function in expanded form.
polynomial functions zeros factored form expanded form the factor theorem the rational roots theorem potential zeros synthetic division the reduced polynomial the quadratic formula 
The Transformation y = f(bx)
Precalculus Introduction to Functions
How determine what transformation the graph y = f(bx) represents when b > 1.
the square root function horizontal shift horizontal compression compression factor endpoint 
Adding and Subtracting Rational Expressions
Algebra 2 Rational Expressions and Functions
How to add and subtract rational expressions.
rational expressions adding subtracting lcd least common denominator factoring 
Solving a Rational Equation
Algebra 2 Rational Expressions and Functions
How to solve a simple rational equation.
cross multiplying fraction factoring denominator least common denominator lcd check 
Simplifying Determinants
Precalculus Systems of Linear Equations and Matrices
How to simplify determinants using three row (or column) operations.
determinant row operations column operations interchanging rows common factors adding a multiple of one row to another 
Evaluating Limits Algebraically, Part 2
Calculus Limits and Continuity
How to evaluate the limit of a function at points where it is not continuous.
limits definition of continuous function domain of a function rational functions factoring polynomials holes 
Dilations
Geometry Transformations
How to perform and describe a dilation.
dilation transformation isometry similar figures enlarge reduce scale factor center of dilation 
Overview of the Different Methods of Solving a Quadratic Equation
Algebra 2 Quadratic Equations and Inequalities
How to know which method to use when solving a quadratic equation.
factoring square root property completing the square quadratic formula pros cons comparison