Why U
Pre-Algebra 31 - Simplifying Radical Expressions
Radical expressions can often be simplified by moving factors which are perfect roots out from under the radical sign.
Curated Video
Factoring a Difference of Perfect Squares to Find Zeros of Quadratic Functions
In this video, the teacher explains how to find the zeros of a quadratic function by factoring a difference of perfect squares. They demonstrate the process using examples and emphasize the importance of factoring correctly. The teacher...
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
What are perfect squares and how do we use them
👉Learn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
Why U
Algebra 71 - Solving Difference of Squares Quadratic Equations
Factoring a quadratic expression into a pair of linear expressions is one of the primary methods used to solve quadratic equations. The trick is to find a pair of linear expressions which when multiplied together, produce the quadratic...
Curated Video
Estimating Square Roots by Comparing to Perfect Squares
In this video, students learn how to estimate the value of square roots by comparing them to perfect squares. The teacher explains the concept of irrational numbers and demonstrates the process of finding two perfect squares on either...
Curated OER
SAT Prep: Test 4 Section 4 Part 2
Problems 7-11, which involve both geometry and algebra problems, allow students to practice transitioning between skills. Sal takes time to explain the process of each problem so that students will understand the test strategies as well...
Mathispower4u
Simplify an Expression Involving Squares of Two Binomials (Example)
Watching a video can make all the difference in learning how to simplify expressions. A short video reviews how to simplify an algebraic expression. Viewers see an example that requires squaring binomials and then finding the difference...
Corbett Maths
Square Roots
If square roots are the root of one's math anxieties, then here's the perfect resource. Viewers of a short instructional video see how to evaluate square roots. They first consider the square roots of perfect squares before learning how...
Corbett Maths
Square Numbers
It's the perfect time to learn about perfect squares. Pupils view a video that explains how to determine perfect squares using multiplication. They review the meaning of exponents and then find the squares through 144.
Flipped Math
Completing the Square
No unit on quadratics is complete without completing the square. The fourth of five videos in Algebra I Unit 11 first reviews perfect squares and perfect square trinomials. Viewers learn how to rewrite quadratic equations in (x - p)^2 =...
TED-Ed
Can You Solve the Secret Sauce Riddle?
The search is on for the Pasta Palace's top chef and his recipe for a fabulous secret sauce. Viewers are challenged to figure out the hiding place of the secret recipe before agents of the Burger Bazaar and the Sausage Saloon. A...
Mathispower4u
Squaring Binomials (Example)
Squaring binomials is just a special form of multiplying binomials. Viewers of a short instructional video learn how to square binomials. They see how to write out the multiplication expression, then simplify it to a trinomial through...
Mathispower4u
Special Polynomial Products
Here's a special video for special polynomial products. By watching the educational video, pupils first review how to multiply binomials using FOIL. They then learn about the difference of squares pattern and how to square binomials.
Mathispower4u
Find the Square of a Binomials
If individuals know how to multiply binomials, finding the square of a binomial is a cinch. Young mathematicians watch a short video that shows a single example of how to determine the square of a binomial. They see how to rewrite the...
TED-Ed
Can You Solve the Giant Cat Army Riddle?
Dr. Schrodinger, the rat, has set a trap for anyone trying to destroy the growth ray he is using to create giant cats to attack the city. Viewers are challenged to escape his trap and save humanity in this rather complex math riddle.
Domain of Science
Why Is It Called a Square Root?
Take a radical look at square roots. The presentation examines square roots as the lengths of the sides of a square with a given area on the coordinate plane. Using this method, it is clear why the square root of a number can be positive...
Curated OER
What is the Product Property of Square Roots?
If your class has a grasp of square roots, but is having difficulty with the product property of square roots, this video might be for you! In the video, an instructor completes a short proof of the property, defines the property, and...
Curated OER
What's a Perfect Square?
What makes an integer a perfect square? Want to know the answer? Do the numbers 4, 9, 16, 25, and 36 mean anything? Is the light bulb glowing bright? Yes, anytime you square an integer, the value is a perfect square. That makes sense!
Curated OER
How Do You Simplify Radicals Using the Product Property?
It would be difficult to explain how to write the given radical , the square root of 60, in its simplest form. It's not a perfect square so there are several steps required to break it down and get it to its simplest form. Just watch...
Curated OER
How Do You Know if You Have a Difference of Squares?
What are the characteristics of a polynomial that would make it factorable by the difference of squares rule? There are four must haves: two terms, coefficients are perfect squares, minus sign, degree of each term is even or zero. If it...
Curated OER
How Do You Find the Square Root of a Fraction?
The instructor demonstrates how to find the square root of a fraction. She simply explains that you separate the numerator and denominator, meaning you find the square root of the numerator, and then you find the square root of the...
Curated OER
How Do You Square a Number?
Multiply a number by itself and that is squaring a number. Simple as that, and, if it's an integer you have a perfect square.