TED Talks
TED: This company pays kids to do their math homework | Mohamad Jebara
Mohamad Jebara loves mathematics -- but he's concerned that too many students grow up thinking that this beautiful, rewarding subject is difficult and boring. His company is experimenting with a bold idea: paying students for completing...
Curated Video
The Standard Model: Explaining Nearly Everything in Physics
New ReviewOrdinary matter that we experience around us is really just made of 4 particles, the up and down quarks which make up the protons and neutrons in the nuclei of atoms, electrons which form a cloud around the nucleus, and a near massless...
Curated Video
Basics of Complex Numbers and the Complex Number System Chart
In this video, we will define imaginary numbers and examine the complex number system.
Curated Video
Operations with Complex Numbers (add, subtract, multiply, and divide)
In this video, we learn how to add, subtract, multiply, and divide complex numbers. In the dividing portion of this video (7:05), we look at how to use the complex conjugate to rewrite quotients.
Curated Video
Complex Plane and Modulus
How do you plot points in the complex plane? How do you find modulus of a complex number? This video answers these questions by graphing points on the complex plane, defining modulus (absolute value), and calculating modulus.
Curated Video
What is a Real Solution?
Welcome to our complete high school mathematics tutorial series! Whether you’re a student preparing for exams, a teacher seeking additional resources, or a parent helping your child succeed in math, these videos cover a wide range of...
Zach Star
Why imaginary numbers are needed to understand the radius of convergence
Why imaginary numbers are needed to understand the radius of convergence
Zach Star
The intuition and implications of the complex derivative
The intuition and implications of the complex derivative
Curated Video
Introduction to Imaginary Numbers
In this lesson, students will learn about imaginary numbers by exploring the concept of the imaginary unit, denoted by the letter "I." They will understand that imaginary numbers, such as I, exist outside of the real number system and...
Brian McLogan
Given a Complex Zero Use Synthetic Division to Find All of the Zeros for a Polynomial
👉 Learn how to find all the zeros of a polynomial given one complex zero. A polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The zeros of a...
Zach Star
What Math Classes do Engineers (and Physics Majors) Take (Part 2)?
In the last video I covered the required math classes for engineers and physics majors that you will definitely see. This video will cover more of the classes that you MAY encounter depending on your major. These classes include......
Brian McLogan
Classifying real numbers
👉 Learn how to classify numbers. We will classify numbers as real, imaginary, rational, and irrational.
Brian McLogan
Multiplication of Complex Numbers
In this video series I show you how to multiply complex numbers. Multiplication of complex numbers is similar to multiplication of polynomials as we need to only multiply coefficients by coefficients and our imaginary terms together. We...
Brian McLogan
How do we combine complex numbers
In this video series I will show you how to combine complex number by either subtracting or adding them together. Complex numbers have real and imaginary components. When combining complex numbers we can only add the real to the imaginary.
Brian McLogan
How to solve a quadratic using the quadratic formula
👉 Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Curated Video
Identifying Real and Complex Roots of Quadratic Equations
In this video, the teacher explains how to identify whether a quadratic equation has real or complex roots without actually solving it. The concept of the discriminant is introduced and its role in determining the number and type of...
Brian McLogan
Algebra 2 - Learn how to add two sets of complex numbers using the imaginary unit i
In this video playlist you will learn how to simplify complex numbers under a radical as well as raised to a higher power. You will learn to add, subtract, multiply and divide complex numbers to write in simplified standard form. When...
Brian McLogan
Algebra 2 - Learning how to subtract two complex numbers, (6 - i) - (-7 - 2i)
In this video playlist you will learn everything you need to know with complex and imaginary numbers (6 - i) - (-7 - 2i)
Why U
Algebra 78 - Imaginary and Complex Numbers
The concept of imaginary and complex numbers was a powerful innovation that enabled mathematics to progress into previously uncharted territory. Although this concept was not entirely intuitive, extending our number system to include...
Brian McLogan
Algebra 2 - How do you solve for values by using equality of complex numbers, 3x-5+(y-3)i =7+6i
In this video playlist I will explain where imaginary and complex numbers come from and how we can use them to help us solve problems. We will also explore the complex property of equality to solve for values of complex numbers. 3x - 5 +...
Brian McLogan
Algebra 2 - Why do imaginary numbers help us, root(9), root(-9)
In this video playlist I will explain where imaginary and complex numbers come from and how we can use them to help us solve problems. We will also explore the complex property of equality to solve for values of complex numbers. root(9)...
Brian McLogan
Algebra 2 - Learn how to add two complex numbers by combining like terms, (3 + i) + 2i
In this video playlist you will learn everything you need to know with complex and imaginary numbers (3 + i) + 2i
Brian McLogan
Algebra 2 - Why do we use complex numbers for square roots
In this video playlist I will explain where imaginary and complex numbers come from and how we can use them to help us solve problems. We will also explore the complex property of equality to solve for values of complex numbers.
Brian McLogan
Multiplying complex numbers, two binomials
In this video tutorial I show you how to multiply imaginary numbers. We will multiply monomials, binomials and trinomials together and then simplify. It is important when multiplying complex number that we simplify the answer and write...