KnowMo
Introduction to Powers and Roots
The video is a tutorial on the basics of powers and roots in mathematics. It covers positive powers, negative powers, roots, and fractional powers, explaining how to write them in index notation, convert negative powers into fractions,...
Curated Video
Understanding the Discriminant in Quadratic Equations
This video is a lecture presentation on the discriminant in algebra. The presenter explains how the discriminant is used to determine the number of real roots in a quadratic equation and how it is contained within the quadratic formula....
Crash Course
The Industrial Economy Crash Course US History
In which John Green teaches you about the Industrial Economy that arose in the United States after the Civil War. You know how when you're studying history, and you're reading along and everything seems safely in the past, and then BOOM...
Curated Video
Keywords Used in Geometry
This video explains the definitions of some common mathematical keywords used in geometry., such as congruent, hypotenuse and quadrilateral.
Curated Video
How to Find Square Roots
In this video lesson we will learn about square roots and how to find the square root of a perfect square. We will learn that the square root of any positive value has two square roots. We will discover the relationship between squaring...
Curated Video
Finding Imaginary Roots of Quadratic Equations
In this lesson, students will learn how to find imaginary roots of quadratic equations using the square root property. They will review the vocabulary related to quadratic equations and the imaginary unit. Through examples and...
Curated Video
Understanding Quadratic Roots: Analyzing the Discriminant
In this video, the teacher explains how to determine the nature of the roots of a quadratic equation by examining the discriminant. The discriminant is the part under the square root in the quadratic formula, and its value can indicate...
Brave Wilderness
STUNG by a MAN O WAR Jellyfish!
On this episode, Mark is getting STUNG by a Man O' War! The Portuguese Man O' War may look beautiful.. but in this case, with beauty comes pain. Thousands of people are stung by these jellyfish like predators every year, and the effects...
Brian McLogan
Finding the rate of change of a word problem
👉 Learn how to find the rate of change from graph. The rate of change is the rate at which y-values are changing with respect to the change in x-values. To determine the rate of change from a graph, a right triangle is drawn on the graph...
Curated Video
Using the Discriminant in Quadratics
In this video, the presenter explains the concept of the discriminant and its use in solving quadratic equations. They explain how the discriminant is contained within the quadratic formula and how it can be used to determine the number...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Inequalities - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
GCSE Secondary Maths Age 13-17 - Graphs: Graphs / Functions - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
FuseSchool
Quadratic Graphs - Roots and Y-Intercept
In this video we will look at how to use equation of a quadratic to sketch the graph. A positive x-squared means the graph is U shaped, whereas a negative x-squared is n shaped. When a quadratic is solved (either by factorising, using...
Brian McLogan
Tutorial When is the square root positive or negative
👉 Learn how to simplify radical expressions. In this playlist we will explore simplifying radical expressions by prime factorization and rules of exponents. We will explore the square root, cube root as well as the fourth root of numbers...
Brian McLogan
Determine the number of positive, negative and complex roots of a polynomial
👉 Learn about Descartes' Rule of Signs. Descartes' rule of the sign is used to determine the number of positive and negative real zeros of a polynomial function. Knowing the number of positive and negative real zeros enables also to also...
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
Finding the rate of change from a word problem
👉 Learn how to find the rate of change from word problems. The rate of change is the rate at which the the y-value is changing with respect to the change in x-value. To determine the rate of change between two points, we just need to...
Learn German with Herr Antrim
Improve German Pronunciation with Minimal Pairs
Minimal pairs are two words in a language that differ in only one phonological element. These words are used to show that a difference in the pronunciation of a word has an impact on the meaning of the words and therefore is a...
Brian McLogan
How to solve a trig equation with square roots
👉 Learn how to solve trigonometric equations. There are various methods that can be used to evaluate trigonometric equations, they include factoring out the GCF and simplifying the factored equation. Another method is to use a...
Brian McLogan
Algebra 2 - Simplifying square roots with imaginary numbers, x^2 + 1 = 0
In this video tutorial I show you how simplify imaginary numbers to a higher power. When working with imaginary numbers we notice that the value of imaginary numbers repeat after the degree 4. Therefore when we have an imaginary number...
TMW Media
Algebra Word Problem Problems Involving Geometry
The Algebra Word Problem Tutor series teaches by examples how to set up algebra word problems and solve them. This program teaches students how to solve word problems that involve geometry. Students are taught how to read the problem and...
FuseSchool
What is an atom
What is an atom | Matter | Physics | FuseSchool Atoms are tiny particles that are so small they are not possible to see with the naked eye, and are only barely possible to make out with the most powerful microscopes. Everything that...
TED-Ed
TED-Ed: Why can't we see evidence of alien life? - Chris Anderson
Stand by for an animated exploration of the famous Fermi Paradox. Given the vast number of planets in the universe, many much older than Earth, why haven't we yet seen obvious signs of alien life? The potential answers to this question...
Seeker
Scientists Trapped Electrons In a Quantum Fractal (And It's Wild!)
Fractals aren’t just crazy cool mathematically infinite shapes. They might just have the capacity to revolutionize modern electronics as we know it. Thumbnail image courtesy of Sander Kempkes. There’s a Subterranean Biosphere Hiding in...