Brian McLogan
Eliminate the parameter to obtain a horizontal parabola
I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.I believe everyone can learn math and...
Brian McLogan
Learn the three possible solutions of a quadratic
πLearn 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...
Brian McLogan
Understanding the discriminant as a part of the quadratic formula
π Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Curated Video
Ballparking: Quick Problem-Solving Technique for Conversations and Tests
This video explains the concept of ball parking, a technique to solve problems quickly without striving for perfection. It demonstrates how to use ball parking in conversations and complex math problems.
Curated Video
Solving Equations Involving Squares and Square Roots
In this lesson, students learn how to solve equations involving squares and square roots by using properties they already know. They discover that when solving one-step equations where the variable is squared, there will be two solutions...
Virtually Passed
Force excitation equation of motion proof
Here I derive part of the equation of motion for a spring mass damper system experiencing a sinusoidaly varying force. This is only the particular solution - Ie, the steady state solution. The total solution is x(t) = x_p + x_h where x_h...
Curated Video
Exploring Function Notation
Explore the concept of renaming a function using function notation. They demonstrate how to determine if a graph is a function using the vertical line test and solve equations for Y to determine if Y is a function of X.
Brian McLogan
Given a point find the six trigonometric functions
π Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Curated Video
Describe an advanced data structure : Optimizing the Sieve of Eratosthenes
From the section: More Complex Algorithms on Arrays. In this section, we will deal with even more complex problems involving arrays. They will require more complex logic or data structures to solve, or a clever way of applying more than...
Brian McLogan
Solve a quadratic using the quadratic formula with complex answers
π Learn how to solve quadratic equations using the quadratic formula. A quadratic equation is an equation whose highest power on its variable(s) is 2. The quadratic formula is a formula which can be used to find the roots of (solve) a...
Virtually Passed
conservation of momentum example problem
This video covers conservation of momentum in both normal and tangential directions when two spheres collide. It's important to note that conservation of momentum in the tangential direction holds for each ball since the force acting on...
Math Fortress
Calculus I: The Quotient Rule (Level 1 of 3)
This video will teach you how to find the derivative of functions formed by a quotient of functions by using the quotient rule and going over 3 examples.
Brian McLogan
Finding the Zeros and Multiplicity of a Quadratic Function
π Learn how to find all the zeros of a polynomial. 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 the values...
Brian McLogan
How do you find the magnitude of a vector
In this video playlist I show you how to solve different math problems for Algebra, Geometry, Algebra 2 and Pre-Calculus. The video will provide you with math help using step by step instruction. Math help tutorials is just what you need...
Brian McLogan
Learn how to solve the separable differential equation
Learn how to solve the particular solution of differential equations. A differential equation is an equation that relates a function with its derivatives. The solution to a differential equation involves two parts: the general solution...
Brian McLogan
Use the power rule to find the derivative with the variable in the denominator
π 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...
Curated Video
Finding the Center and Radius of a Circle using Completing the Square
In this video, the teacher explains how to find the center and radius of a circle when the equation is in general form. By using the process of completing the square, the teacher demonstrates how to transform the equation into standard...
Brian McLogan
Solve a trigonometric equation using the double angle formulas
π Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Brian McLogan
How to determine the angle of a vector as well as use angles to represent vectors
Learn how to determine the magnitude and direction of a vector. The magnitude of a vector is the length of the vector. The magnitude of a vector is obtained by taking the square root of the sum of the squares of the components of the...
Brian McLogan
How to find the derivative of an expression then simplifying
π 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...
Flipping Physics
Conservation of Energy Problem with Friction, an Incline and a Spring by Billy
Billy helps you review Conservation of Mechanical Energy, springs, inclines, and uniformly accelerated motion all in one example problem.