399 Videos for "number"

Multiplying Complex Numbers  Problem 1
Math › Algebra 2 › Roots and Radicals
How to multiply an imaginary number by a complex number. 
Addition and Subtraction with Mixed Numbers  Concept
Math › PreAlgebra › Fractions and MIxed Numbers
Adding or subtracting mixed numbers by either converting them to improper fractions or working with the integer part and the fractional part separately 
Introduction to Real Numbers  Problem 2
Math › Algebra 2 › Real Numbers
How to define inequalities. 
Finding the Roots of a Complex Number  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to use DeMoivre's Theorem to compute the square roots of i. 
More Roots of Complex Numbers  Problem 3
Math › Precalculus › Polar Coordinates and Complex Numbers
How to find the nth roots of unity. 
Converting Complex Numbers From Trigonometric Form to Rectangular  Problem 2
Math › Precalculus › Polar Coordinates and Complex Numbers
How to convert a complex number, z = 5*root(2)*(cos(7*pi/4) + i*sin(7*pi/4)), from trigonometric form to rectangular form. 
Dividing Complex Numbers  Problem 5
Math › Algebra 2 › Roots and Radicals
Dividing complex numbers where the denominator contains an imaginary number. 
Multiplying Complex Numbers  Concept
Math › Algebra 2 › Roots and Radicals
How to multiply imaginary numbers. 
Introduction to Imaginary Numbers  Concept
Math › Algebra 2 › Roots and Radicals
How to define an imaginary number. 
Concept
Science › Chemistry › Electrochemistry
How to use the oxidation number method to understand oxidationreduction reactions. 
Dividing Complex Numbers  Concept
Math › Algebra 2 › Roots and Radicals
How to rationalize the denominator when dealing with an imaginary number. 
Adding and Subtracting Complex Numbers  Concept
Math › Algebra 2 › Roots and Radicals
How to add and subtract complex numbers. 
Multiplying Complex Numbers  Problem 2
Math › Algebra 2 › Roots and Radicals
How to multiply two complex numbers. 
Dividing Complex Numbers  Problem 1
Math › Algebra 2 › Roots and Radicals
How to rationalize the denominator when dealing with an imaginary number. 
Introduction to Imaginary Numbers  Problem 1
Math › Algebra 2 › Roots and Radicals
How to simplify a radical using imaginary numbers. 
Dividing Complex Numbers  Problem 2
Math › Algebra 2 › Roots and Radicals
How to rationalize the denominator when dealing with a complex number. 
Number of Handshakes at a Party  Concept
Math › Geometry › Reasoning, Diagonals, Angles and Parallel Lines
How to determine the number of handshakes possible in a group of a certain number of people.