MinutePhysics
Why is Relativity Hard? | Special Relativity Chapter 1
Thanks to my friend Mark Rober for making the spacetime globe, and to Grant Sanderson (3blue1brown) for inspiration. This is the first in a series of videos about special relativity. This is definitely not an academic course, but it's...
Curated Video
What are Rational Numbers?
Are you ready to master the concept of absolute value? In this lesson, we'll break it down step-by-step! Discover how to find absolute value using a number line and see just how simple it can be. With clear examples and easy-to-follow...
Curated Video
Square Roots and Cube Roots
In this math video we will evaluate square roots and cube roots. We will be presented with five equations and asked to identify the two true equations. We will review and understand perfect squares and how to use perfect squares to...
Curated Video
What is a Surd
This video explains what a surd is and how to find out if a root is a surd or not a surd. It provides an introduction to understanding surds, which is crucial before studying how to manipulate surds. Practice questions and answers are at...
Curated Video
How to Estimate the Square Root of Non-Square Numbers #22
This video covers how to estimate the square root of any square number by finding the square roots of the numbers on either side. KS3 - All on your course GCSE Foundation - All on your course GCSE Higher - All on your course
Brian McLogan
Best Simplifying Square Root of Variable Expressions
In this video we are going to explore how to simplify the square root of a variable expression by applying the rules of exponents and radicals. ⭐️ Simplify 4th, 5th and 6th Root of an Expression - • Simplify 4th, 5th and 6th Root of an...
Curated Video
Determining the Best Method
Quadratic equations can be solved using various methods: factoring, completing the square, the quadratic formula, or taking square roots. Sometimes one method is a better option than the others, because it’s a little easier to use.
Brian McLogan
Adding two functions rational and square root
👉 Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Curated Video
Solving a System of a Quadratic and Linear Equation by Substitution
In this video, the teacher explains how to solve a system of a quadratic and linear equation using substitution. They review the concept of a system of equations and the process of substitution. The teacher then guides the viewers...
Brian McLogan
Use the power rule to find the derivative with the variable in the denominator
👉 Learn how to find the derivative of a function using the power rule. The derivative of a function, y = f(x), is the measure of the rate of change of the function, y, with respect to the variable x. The process of finding the derivative...
Brian McLogan
What does a square root mean and how can we understand it using inverse operations
👉 Learn the basics of simplifying radicals. A radical is an expression having the root/radical symbol. A radical expression can also be rewritten as an expression with fractional/rational exponent. The number outside the radical symbol...
The Wall Street Journal
Kimbal Musk and Ellie Rubenstein on Producing Healthy Food at Scale
Former tech entrepreneur Kimbal Musk and Gabrielle Rubenstein, CEO of private equity firm Manna Tree, discuss their focus on the production of healthy food at scale with WSJ's Annie Gasparro.
Brian McLogan
Evaluate a limit at infinity with a radical in denominator
👉 We will explore how to evaluate the limit at infinity. When evaluating the limit at infinity or negative infinity we are interested to know where is the graph going right and left. This is also commonly explored as end behavior of the...
Brian McLogan
Summary for Expanding logarithmic expressions
👉 Learn how to condense/expand logarithmic expressions. A logarithmic expression is an expression having logarithms in it. To condense logarithmic expressions means to use the logarithm laws to reduce logarithm expressions from the...
FuseSchool
Multiplying & Dividing with Surds
A surd is a square root which cannot be reduced to a whole number. Surds are irrational; they are decimals that never end and never repeat, so cannot be written as fractions. Leaving a number in it's surd form is easier and more accurate...
Brian McLogan
Writing the domain of a rational function with a radical in the denominator
👉 Learn how to find the domain of rational functions with a radical denominator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function, the denominator cannot be zero...
Brian McLogan
Describing a transformation with vertical and horizontal stretch then graphing
👉 Learn how to identify transformations of functions. Transformation of a function involves alterations to the graph of the parent function. The transformations can be dilations, translations (shifts), reflection, stretches, shrinks,...
Brian McLogan
How to add and subtract three radicals, square root
👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Brian McLogan
What is a radical
👉 Learn the basics of simplifying radicals. A radical is an expression having the root/radical symbol. A radical expression can also be rewritten as an expression with fractional/rational exponent. The number outside the radical symbol...
Brian McLogan
Simplify and add two radical expressions
👉 Learn how to add or subtract radicals. A radical is a number or an expression under the root symbol. Radicals can only be added or subtracted if the numbers or expressions under the roots are the same for all terms. To add or subtract...
Brian McLogan
Learn how to solve a word problem using square roots, velocity and distance
👉 Learn how to solve literal equations involving formulas. A literal equation is an equation where the unknown values are represented by variables. To solve a literal equation means to make one of the variables the subject of the...
Brian McLogan
Domain of rational function with radical in the denominator
👉 Learn how to find the domain of rational functions with radicals in both the numerator and the denominator. Recall that the domain of a function is the set of possible input values (x-values) of the function. For a rational function,...
Brian McLogan
How to take the square root of a number using prime factorization, sqrt(64)
👉 Learn how to find the square root of a number. To find the square root of a number, we identify whether that number which we want to find its square root is a perfect square. This is done by identifying a number which when raised to...