Brian McLogan
Learn how to simplify the product of the fourth root of two numbers ex 8
π Learn how to multiply radicals. A radical is a number or an expression under the root symbol. To multiply radicals with the same root, it is usually easy to evaluate the product by multiplying the numbers or expressions inside the...
Brian McLogan
Simplify radical expressions by finding quotient, fourth root
π Learn how to find the 4th root of rational expressions. To find the 4th root of a rational expression, we first express the rational expression as the 4th root of the numerator divided by the 4th root of the denominator. Next we...
Brian McLogan
Taking the fourth root of an expression by using the product rule, fourth root(x^20 y^28)
π Learn how to find the 4th root of an expression. To find the 4th root of an expression, if the exponent of the expression is a multiple of 4, then the 4th root of the expression is the base of the expression with an exponent that is...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Mathematical Foundation: Lagrange Multipliers
In this video, we will cover Lagrange Multipliers. This clip is from the chapter "Machine Learning: Feature Engineering and Dimensionality Reduction with Python" of the series "Data Science and Machine Learning (Theory and Projects) A to...
Brian McLogan
Solving using the quadratic equation - Math test answers - Math help
πLearn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
Let's Tute
Irrational Numbers and Proof That Root Of 2 is Irrational
In this video of Algebra Real Numbers you will learn about Irrational numbers and how to proof that root of 2 is rational
Brian McLogan
Simplify Radicals Simplify the Square Root of a Number
π 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...
Curated Video
Comparing Irrational and Rational Numbers
In this video, we demonstrate the process of lining up decimals and comparing digits to determine which number is greater. We discuss the concept of irrational numbers continuing on forever without repeating and the use of symbols to...
Professor Dave Explains
Square Roots, Cube Roots, and Other Roots
An overview of roots as a concept.
Brian McLogan
How to evaluate the limit of the square root function
How to evaluate the limit of the square root function
Curated Video
Kimbal Musk: Tariffs Hurting Our Farmers
The newest round of tariffs on China imposed by the Trump administration will be damaging for American farmers, particularly soybean and corn growers, said Kimbal Musk, the restaurateur (and brother of Elon) who founded the Kitchen...
Khan Academy
Solving Quadratic Equations by Square Roots, Algebra II
Introducing square roots into the quadratic equation mix, Sal addresses the ways viewers might solve the problems, both correctly and incorrectly. The video is an integral step in not only Sal's algebra series but also in developing math...
Khan Academy
Square Roots And Real Numbers, Pre-Algebra
Sal works through several problems involving rational and irrational numbers and shows how to find the difference. This video is a good stepping stone for those preparing to take on more challenging algebra work.
Khan Academy
SAT Prep: Test 2 Section 6 Part 2
Reviewing the last problem from the previous video because he feels that he "rushed it," Sal again explains the concept of ratios as it applies to problem 6 on the practice SAT (page 472 in The Official SAT Study Guide). Additional...
Curated OER
SAT Prep: Test 8 Section 5 Part 4
If your math students are having a hard time with graphing and slopes, this video could be a great resource as they prepare for the SAT. Sal takes care in explaining his thought process, making sure where to note different strategies to...
Khan Academy
SAT Prep: Test 6 Section 3 Part 3
Continuing problem 7 from the previous video, Sal takes students through what he describes as "a common SAT problem" involving geometric lines and figures. Additional problems deal with sequences, cross-multiplication, and measuring...
Khan Academy
SAT Prep: Test 8 Section 5 Part 2
Sal again makes the SAT look effortless, and yet students will follow his mathematical processes with ease. Problems range in difficulty, from basic algebra equations to more complicated geometric figures.
Khan Academy
SAT Prep: Test 5 Section 7 Part 4
Spending more than half of the video readdressing the nuances in problem 13 (previously discussed in the last video), Sal ensures that students understand the tricky word problem by going through each of the multiple choice answers....
Khan Academy
SAT Prep: Test 8 Section 5 Part 3
Have a blast with Sal as he solves these SAT practice questions! He enjoys himself with visualization and combination problems, showing not only how to solve the problems but to see math as a riddle rather than a threat.
Khan Academy
SAT Prep: Test 7 Section 8 Part 2
Continuing his SAT review session, Sal explores problems with slopes, linear equations, and congruent angles. He begins problem 10 (geometry) but finishes the problem in the next video.
Khan Academy
SAT Prep: Test 4 Section 2 Part 3
Continuing his theme of solving problems in a timely and correct manner, Sal teaches students that most problems on the SAT are designed to be solved in less than 30 seconds (though he does state that they are given over a minute for...
Khan Academy
Understanding Square Roots, Pre-Algebra
What is the square root of 100? Sal explains what the square root of 100 is, but he needs a little help explaining why. Note: This concept can be challenging for some. If you are showing this video to your class, it does not stand alone....
Flipped Math
Add and Subtract Radicals
Radically apply old skills to a new concept. Pupils learn how to add and subtract radicals by applying previously learned skills of simplifying radicals and combining like terms. The video shows examples with both square and cube roots....
Corbett Maths
Rational and Irrational Numbers
It's only rational to learn about number classifications. Individuals watch a short video that gives the definition of rational and irrational numbers. They watch as the narrator classifies different numbers as rational or irrational,...