Brian McLogan
What are the formulas for the sum and difference of two cubes
π Learn how to factor polynomials using the sum or difference of two cubes. 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. To factor an...
Brian McLogan
Factoring by using a sum of cubes - Online tutor
π Learn how to factor polynomials using the sum or difference of two cubes. 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. To factor an...
Brian McLogan
Using the difference of two squares to factor a binomial
πLearn how to factor quadratics using the difference of two squares method. When a quadratic contains two terms where each of the terms can be expressed as the square of a number and the sign between the two terms is the minus sign, then...
Brian McLogan
Using the formula for difference if two squares to factor a polynomial
πLearn how to factor quadratics using the difference of two squares method. When a quadratic contains two terms where each of the terms can be expressed as the square of a number and the sign between the two terms is the minus sign, then...
Professor Dave Explains
Square Roots, Cube Roots, and Other Roots
An overview of roots as a concept.
Brian McLogan
Multiplying the Square Root of Two Different Numbers
π Learn how to multiply radicals. A radical is an expression or a number 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...
Why U
Pre-Algebra 29 - Roots and Unit Fraction Exponents
Exponents can not only be integers. They can also be fractions. Using the rules of exponents, we can see why a number raised to the power "one over n" is equivalent to the nth root of that number.
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
How to factor a polynomial using the difference of two cubes
π Learn how to factor polynomials using the sum or difference of two cubes. 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. To factor an...
Curated Video
Understanding Cube Roots | 8.EE.A.2
In this math video we will deepen our understanding of cube roots. We will be answering a question where we are asked to approximate a non-perfect square root using a number line. We will recognize that the whole number values on the...
Curated Video
A2 English Listening Practice - Travel
This video serves as English listening comprehension practice for lower-level students. In this video, a native English speaker talks slowly and clearly about the topic of travel. The subtitles are included at the bottom of the screen to...
Brian McLogan
Subtracting the cube root of one expression from another
π 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
Rationalize the denominator with an expression with a radical of third root
π Learn how to divide a number by the cube root of a non-perfect cube. To divide a number by the cube root of a non-perfect cube, we rationalize the rational number by multiplying both the numerator and the denominator by the cube root...
Brian McLogan
Learn how to rewrite an expression when taking the square root of a negative number
π 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
How to simplify an expression using the quotient rule of radicals, 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...
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...
Brian McLogan
How to factor using the sum of two cubes
π Learn how to factor polynomials using the sum or difference of two cubes. 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. To factor an...
Brian McLogan
Learn how to use the difference of two cubes to simplify an expression
π Learn how to factor polynomials using the sum or difference of two cubes. 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. To factor an...
Brian McLogan
Factoring a binomial using the difference of two cubes
π Learn how to factor polynomials using the sum or difference of two cubes. 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. To factor an...
Brian McLogan
Using the sum of two cubes with a fraction
π Learn how to factor polynomials using the sum or difference of two cubes. 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. To factor an...
Brian McLogan
Learn how to rationalize the denominator with a binomial and cube root of a number
π Learn how to find the cube root of rational expressions. To find the cube root of a rational expression, we first express the rational expression as the cube root of the numerator divided by the cube root of the denominator. Next we...
Brian McLogan
Learn How to Simplify the Cube Root of a Number, Cube Root(54)
π Learn how to find the cube root of a number. To find the cube root of a number, we identify whether that number which we want to find its cube root is a perfect cube. This is done by identifying a number which when raised to the 3rd...
Visual Learning Systems
Exploring the Desert Climate
This video explains how climate and temperature determine the nature of deserts. It highlights the low amount of rainfall that deserts receive, the extreme temperatures they can experience, and the large fluctuations in temperature...