cross multiply 35 videos

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 
Multiplying Polynomials: Special Cases
Algebra Polynomials
How to recognize special products of polynomials.
perfect square trinomial difference of perfect squares binomial 
Multiplying and Reducing Fractions
PreAlgebra Fractions and MIxed Numbers
Overview of fraction as a part of a whole or part of a group and equivalent fractions


Rationalizing a Denominator with a Binomial
Algebra 2 Roots and Radicals
How to rationalize a denominator by multiplying by the conjugate.
rationalizing the denominator binomial conjugate 
Simplifying Complex Fractions
Algebra 2 Rational Expressions and Functions
How to simplify a complex fraction.
complex fractions dividing by a fraction flip and multiply 
Multiplication and Division
PreAlgebra Integers
Learn how to multiply and divide positive and negative numbers.

Dividing Fractions
PreAlgebra Fractions and MIxed Numbers
Dividing fractions by splitting into equal parts or multiplying by the reciprocal

Solving Equations with fractions and decimals by "Clearing"
PreAlgebra Solving Equations and Inequalities
Solving equations with fractions by multiplying by the least common multiple

Law of Independent Assortment
Biology Mendelian Genetics
Understanding the concept of Law of Independent Assortment.
law independent assortment Mendel genetics genes chromosomes meiosis crossing over 
Multiplication and Division with Decimals
PreAlgebra Decimals and Percents
Multiplying and dividing decimals by ignoring and later replacing the decimal point

Meiosis
Biology Cell Division and Reproduction
The different steps in meiosis.
meiosis cell division sexual reproduction haploid diploid crossing over interphase prophase metaphase anaphase telophase 
Square Root Operations
Geometry Pythagorean Theorem
How to simplify square roots using two different methods.
Pythagorean theorem simplifying square roots adding square roots multiplying square roots rationalizing roots 
Square Root Operations
Trigonometry Pythagorean Theorem
How to simplify square roots using two different methods.
Pythagorean theorem simplifying square roots adding square roots multiplying square roots rationalizing roots 
Square Matrices
Precalculus Systems of Linear Equations and Matrices
How to determine whether two matrices can be multiplied, and if so, what the dimensions of the product will be.
matrices rows columns dimension matrix multiplication