Instructional Video4:55
Brian McLogan

Combining rational expression with unlike denominators

12th - Higher Ed
Learn how to add/subtract rational expressions with trinomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Instructional Video10:16
Brian McLogan

Completely Factor a Polynomial Using Synthetic Division and Find Zeros and Sketch

12th - Higher Ed
๐Ÿ‘‰ Learn how to find all the zeros of a polynomial given one rational zero. 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. The zeros of a...
Instructional Video4:21
Brian McLogan

Learn how to subtract two rational equations when the denominators are trinomials

12th - Higher Ed
Learn how to add/subtract rational expressions with trinomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Instructional Video6:27
Brian McLogan

How to use the rational zero test to find all the possible zeros

12th - Higher Ed
๐Ÿ‘‰ Learn how to use the Rational Zero Test on Polynomial expression. Rational Zero Test or Rational Root test provide us with a list of all possible real Zeros in polynomial expression. Rational Zero Test can be helpful to find all the...
Instructional Video3:50
Brian McLogan

Learn the basics for subtracting two rational expression by finding the LCM

12th - Higher Ed
Learn how to add/subtract rational expressions with monomials in the denominator. When adding or subtracting two or more rational expressions with common denominators, we add or subtract only the numerator while we keep the denominator...
Instructional Video3:54
Brian McLogan

Completing the square to write a quadratic from standard form to vertex form

12th - Higher Ed
๐Ÿ‘‰ Learn how to write a quadratic equation from standard form to vertex form by completing the square. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. It is of the form f(x) = ax^2 + bx + c. Given a...
Instructional Video4:03
Brian McLogan

Learn how to simplify a complex fraction

12th - Higher Ed
๐Ÿ‘‰ Learn how to simplify complex fractions. To simplify complex fractions having the addition/subtraction of more than one fractions in the numerator or/and in the denominator we first evaluate the numerator or/and the denominator...
Instructional Video14:50
Brian McLogan

How to divide two polynomials using long division

12th - Higher Ed
๐Ÿ‘‰ Learn how to divide polynomials by quadratic divisors using the long division algorithm. Before dividing a polynomial, it is usually important to arrange the divisor in the descending order of powers of the variable(s). To divide a...
Instructional Video10:03
Brian McLogan

Finding The Zeros of Fourth Degree Polynomial

12th - Higher Ed
๐Ÿ‘‰ Learn how to find all the zeros of a polynomial by grouping. 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. The zeros of a polynomial are...
Instructional Video2:55
Brian McLogan

How to determine if a factor is a factor of a polynomial using factor theorem

12th - Higher Ed
๐Ÿ‘‰ Learn about and how to apply the remainder and factor theorem. The remainder theorem states that f(a) is the remainder when the polynomial f(x) is divided by x - a. Thus, given a polynomial, f(x), which is to be divided by a linear...
Instructional Video3:53
Brian McLogan

How does the remainder theorem work with polynomials

12th - Higher Ed
๐Ÿ‘‰ Learn about and how to apply the remainder and factor theorem. The remainder theorem states that f(a) is the remainder when the polynomial f(x) is divided by x - a. Thus, given a polynomial, f(x), which is to be divided by a linear...
Instructional Video4:50
Brian McLogan

Given complex zeros find the polynomial - Online Tutor

12th - Higher Ed
๐Ÿ‘‰ Learn how to write the equation of a polynomial when given complex zeros. Recall that 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. The...
Instructional Video2:50
Brian McLogan

Factoring by grouping by rearranging the middle terms

12th - Higher Ed
Learn how to factor expressions of two variables by grouping. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. When a given expression can be grouped...
Instructional Video9:48
Math Fortress

Calculus II: Trigonometric Integrals (Level 7 of 7)

12th - Higher Ed
This video concludes the methods for solving trigonometric integrals that contain combinations of sine and cosine. This video covers 4 challenging examples that require the use of different trigonometric identities, multiplying by the...
Instructional Video2:48
Brian McLogan

Finding the zeros of a function - Zeros of polynomial function

12th - Higher Ed
๐Ÿ‘‰ Learn how to find all the zeros of a polynomial in the form of the difference of two squares. 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...
Instructional Video9:43
Let's Tute

Real Numbers: Finding the LCM

9th - Higher Ed
This video teaches the concept of least common multiple in mathematics, using examples of two bells ringing at different intervals. The teacher explains two methods of finding the least common multiple, one involving picturing the...
Instructional Video5:00
Curated Video

The McGurk Effect: How Our Eyes Influence What We Hear

Pre-K - Higher Ed
Learn all about the McGurk effect, a perceptual phenomenon that demonstrates how our hearing can be influenced by what we see. The video presents various examples where the audio and visual inputs create different perceptions of the...
Instructional Video3:30
NASA

NASA | Uncovering Winter's Mystery

3rd - 11th
A brief recap of the satellite news media tour on February 1, 2012 that looked at the science of falling snow, how NASA observes snow from space, and the factors that lead to the 2010 "Snowmageddon."
Instructional Video4:02
Curated Video

Proof of the Quadratic Formula through Completing the Square

Higher Ed
The video is a tutorial on the proof of the quadratic formula. The speaker explains the formula and then proceeds to demonstrate how it is derived through the process of completing the square.
Instructional Video2:12
Brian McLogan

Learn How to Mentally Factor a Trinomial

12th - Higher Ed
๐Ÿ‘‰Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Instructional Video3:28
Brian McLogan

How to use the difference of two square to solve a quadratic equation

12th - Higher Ed
๐Ÿ‘‰Learn how to solve quadratic equations by factoring the difference of two squares. We can identify the difference of two squares but looking for binomials that have square terms. Difference of two square quadratic equations is of the...
Instructional Video2:54
Brian McLogan

How to find the solutions of a quadratic equation by factoring a perfect square trinomial

12th - Higher Ed
๐Ÿ‘‰Learn how to solve quadratic equations by factoring. We will focus on factoring special techniques such as the zero product property, difference of two squares, box method and guess and check. Once we have factored the quadratic...
Instructional Video3:26
Brian McLogan

How to factor the difference of two squares, x^2 - 16; 4x^2 - 9; 16x^2 - 25y^2; x^4 - 64

12th - Higher Ed
๐Ÿ‘‰Learn 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...
Instructional Video1:46
Brian McLogan

How to Factor a Trinomial with Fractions as Coefficients

12th - Higher Ed
๐Ÿ‘‰Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...