number 75 videos

Atomic Number  Isotopes
Chemistry The Atom
The meaning and uses of atomic numbers.
atomic number mass number isotopes ions 
Multiplying Complex Numbers
Algebra 2 Roots and Radicals
How to multiply imaginary numbers.
complex numbers multiplying i 
Quantum Numbers
Chemistry The Atom
How to identify a specific electron in an atom's electron cloud using quantum numbers.
quantum numbers electrons 
Adding and Subtracting Complex Numbers
Algebra 2 Roots and Radicals
How to add and subtract complex numbers.
adding and subtracting complex numbers 
Dividing Complex Numbers
Algebra 2 Roots and Radicals
How to rationalize the denominator when dealing with an imaginary number.
dividing by i complex numbers 
Introduction to Imaginary Numbers
Algebra 2 Roots and Radicals
How to define an imaginary number.
imaginary number i square root of a negative 
Oxidation Number Method
Chemistry Electrochemistry
How to use the oxidation number method to understand oxidationreduction reactions.
oxidation number method oxidation states 
Multiplying Complex Numbers
Precalculus Polar Coordinates and Complex Numbers
How to multiply two complex numbers in trigonometric form.
complex numbers trigonometric form modulus argument 
Dividing Complex Numbers
Precalculus Polar Coordinates and Complex Numbers
How to divide two complex numbers in trigonometric form.
complex numbers trigonometric form modulus argument conjugate 
Introduction to Real Numbers
Algebra 2 Real Numbers
How to classify different types of real numbers.
real numbers natural counting whole integer rational irrational 
Finding the Roots of a Complex Number
Precalculus Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the cube roots of a complex number.
complex numbers trigonometric form complex roots cube roots modulus argument 
More Roots of Complex Numbers
Precalculus Polar Coordinates and Complex Numbers
How to find the roots of a complex number quickly using four simple guidelines.
complex numbers trigonometric form complex roots modulus argument 
Trigonometric Form of Complex Numbers
Precalculus Polar Coordinates and Complex Numbers
How to express a complex number in trigonometric form.
complex numbers the complex plane modulus argument sine cosine tangent rectangular form trigonometric form 
Applied Linear Equations: Consecutive Numbers
Algebra 2 Linear Equations
How to solve a problem involving consecutive integers.
consecutive numbers 
Applied Linear Equations: Consecutive Numbers
Precalculus Linear Equations and Inequalities
How to solve a problem involving consecutive integers.
consecutive numbers 
Multiplying and DIviding with Mixed Numbers
PreAlgebra Fractions and MIxed Numbers
Multiplying or dividing with mixed numbers

Number of Handshakes at a Party
Geometry Reasoning, Diagonals, Angles and Parallel Lines
How to determine the number of handshakes possible in a group of a certain number of people.
mathematical modeling non linear functions diagonals 
The Complex Plane
Precalculus Polar Coordinates and Complex Numbers
How to plot complex numbers on the complex plane.
real numbers the number line complex numbers imaginary numbers the complex plane 
Properties of Real Numbers
Algebra 2 Real Numbers
How to define the properties of real numbers.
associative commutative distributive identity inverse