Alabama Learning Exchange
Imaginary Numbers? What Do You Mean Imaginary?
Don't worry, this resource actually exists. Scholars learn about imaginary numbers and work on problems simplifying square roots of negative numbers. As an extension, they research the history of imaginary numbers.
Curated OER
The Two Number Problem
In this number problem worksheet, students solve 1 word problem about squaring numbers. Students find two different numbers that are equal when they are squared.
Paul Dawkins
Paul's Online Notes: Complex Numbers Primer
This tutorial reviews complex numbers, notation associated with complex numbers, and the basic operations involving complex numbers. Topics examined are conjugates and moduli, polar form, exponential form, arithmetic of complex numbers,...
Wolfram Research
Wolfram Math World: Complex Conjugate
This site contains an explanation of complex conjugates. Then it goes on to list and display charts and formulas. Links are also provided for additional information.
Other
Karl's Calculus Tutor: Algebra Concepts Polynomials
This site gives a brief explanation to topics that are prerequisites to studying calculus. Among these operations factoring of polynomials. Special polynomials such as conjugates and differences of squares are also mentioned.
Varsity Tutors
Varsity Tutors: Hotmath: Algebra Review: Conjugates
Find a quick, concise explanation of Conjugates. An example is given and clearly explained when using binomials which are partly rational and partly irrational. Also, an example is given for binomials that are partly rational and partly...
Sophia Learning
Sophia: Introduction to Conjugates That Rationalize Denominators
Explore conjugates and how they are used to rationalize denominators. Assess learning with a quiz.
BBC
Bbc: Higher Bitesize Maths: Quadratic Theory
A tutorial on quadratics presents topics including: factoring and solving quadratics, graphing quadratic functions, using completing the square and the quadratic formula to solve functions, the discriminant and conjugates. Plenty of...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Using Conjugates to Simplify Radicals
This question-response site gives information about simplifying an expression using conjugates. The Dr. first details the fundamentals of conjugates and then works several examples.
Interactive Mathematics
Interactive Mathematics: Basic Operations With Complex Numbers
Add, subtract, multiply and divide complex numbers using these easy-to-follow examples.
Cuemath
Cuemath: Conjugate in Math
Explore the world of how to conjugate in this mini-lesson. Provides a definition and examples that help with understanding their properties. Includes practice questions with answers.
Help Algebra
Help algebra.com: Rationalizing the Denominator
Learn to simplify radical expressions by removing radicals from denominators. The demonstration includes both single radicals and binomials that require the use of a conjugate.
Math Is Fun
Math Is Fun: Conjugate
The learning resource investigates the conjugate of an expression. Students learn about the algebra concept through definitions and examples.