cross multiplying 35 videos

Multiplying Polynomials
Algebra 2 Polynomials
How to multiply two binomials together.
multiplying polynomials foil binomial 
The Cross Product of Vectors
Precalculus Systems of Linear Equations and Matrices
How to compute the cross product of two 3D vectors.
unit vectors components cross product determinant 
Multiplying Complex Numbers
Algebra 2 Roots and Radicals
How to multiply imaginary numbers.
complex numbers multiplying i 
Multiplying and Dividing Rational Expressions
Algebra 2 Rational Expressions and Functions
How to multiply and divide rational expressions.
rational expression multiplying dividing fractions simplifying canceling flip and multiply 
Multiplying Complicated Polynomials
Algebra 2 Polynomials
How to multiply ?ugly? polynomials by looking for patterns.
multiplying polynomials shortcuts 
Chromosomes Crossing Over  Linked Genes
Biology Mendelian Genetics
The concepts of chromosome crossing over and linked genes.
chromosomes crossing over linked genes independent assortment meiosis codominance incomplete heterozygote homozygote 
Area With the Cross Product
Precalculus Systems of Linear Equations and Matrices
How to show that the magnitude of the cross product of two vectors gives the area of the parallelogram determined by those two vectors.
cross product magnitude of vectors dot product angle between vectors area parallelogram 
Multiplying Radicals of Different Roots
Algebra 2 Roots and Radicals
How to multiply radicals together when they are different roots.
multiplying roots different index different roots rational exponents 
Percents
Algebra PreAlgebra
How to set up percent problems as proportions.
percent cross multiply proportion 
Multiplying and Distributing Radical Expressions
Algebra Radical Expressions and Equations
How to multiply radical expressions.
distributing FOIL radicand 
Multiplying and DIviding with Mixed Numbers
PreAlgebra Fractions and MIxed Numbers
Multiplying or dividing with mixed numbers

Multiplying and Dividing Rationals
Algebra Rational Expressions and Functions
How to multiply and divide rational expressions.
monomial exponent factor trinomial 
Multiplying Monomials and/or Binomials and FOIL
Algebra Polynomials
How to multiply monomials and binomials using FOIL.
FOIL monomial binomial product distributing 
Multiplying Radicals of the Same Root
Algebra 2 Roots and Radicals
How to multiply radicals of the same root together.
radical multiplication root multiplication 
Multiplying Complex Numbers
Precalculus Polar Coordinates and Complex Numbers
How to multiply two complex numbers in trigonometric form.
complex numbers trigonometric form modulus argument 
Multiplying and Dividing
PreAlgebra Whole Numbers
Looking at how multiplication represents repeated addition, as well as special cases of multiplying and dividing whole numbers

Proportions
Algebra Solving Equations
How to solve proportions.
ratio proportion fraction cross multiply 
Multiplying Polynomials using Area Models
Algebra Polynomials
How to relate area of rectangles to multiplying polynomials.
area binomial trinomial distributing 
Multiplying Larger Degree Polynomials using Distributing
Algebra Polynomials
How to multiply higher degree polynomials.
binomial trinomial distributing