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Curated Video
Equation of a Circle Centered at a Point: Explained and Solved Examples
This video is a presentation on the equation of a circle. The presenter explains the general formula for the equation of a circle centered at the origin and at a particular point of AB. The video also covers how to calculate the radius...
Brian McLogan
Write the equation of an ellipse given the center vertex and co vertex
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Brian McLogan
How to write the standard equation of a parabola given the focus and vertex
Learn how to write the equation of a parabola given a point on the parabola. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared). Recall...
Brian McLogan
How to write the equation of a parabola given the focus and directrix
Learn how to write the equation of a parabola given the focus and the directrix. A parabola is the shape of the graph of a quadratic equation. A parabola can open up or down (if x is squared) or open left or right (if y is squared)....
Brian McLogan
Given the endpoints of axes to write the equation of an ellipse
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Brian McLogan
Given a point and co vertices, write the equation of an ellipse
Given a point and co vertices, write the equation of an ellipse
Brian McLogan
Evaluate the six trigonometric functions for the given real number
π Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Brian McLogan
Evaluate the six trigonometric functions for the given real number
π Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Brian McLogan
ACT SAT Prep How to determine the area of a base from a word problem
ACT SAT Prep How to determine the area of a base from a word problem
Brian McLogan
Learn the steps to convert rectangular points to polar
Learn the steps to convert rectangular points to polar
Brian McLogan
Apply u substitution with a binomial squared
π Learn how to evaluate the integral of a function. The integral, also called antiderivative, of a function, is the reverse process of differentiation. Integral of a function can be evaluated as an indefinite integral or as a definite...
Brian McLogan
How to simplify the square root of an expression with a binomial part of the radicand
π Learn how to simplify the square root of an expression. The square root of an expression is an expression which will multiply itself twice to give the original expression. To simplify the square root of an expression, we...
Brian McLogan
Learn how to solve a quadratic equation by factoring out the GCF
πLearn how to solve a quadratic equation by factoring out the GCF. When factoring out the GCF from an equation we will be looking for what the terms have in common. This method is very useful for quadratic equations that does not have...
Brian McLogan
How to solve a quadratic by factoring out the GCF and using the zero product property
πLearn how to solve a quadratic equation by factoring out the GCF. When factoring out the GCF from an equation we will be looking for what the terms have in common. This method is very useful for quadratic equations that does not have...
Brian McLogan
What are the transformations of vertex form of a quadratic compared to standard form
π Learn the basics to understanding graphing quadratics. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Brian McLogan
How do you solve a quadratic by using the square root method
πLearn how to solve quadratic equations using the square root method. It is important to understand that not all quadratics have to be solved using factoring or quadratic formula. When we only have one variable but it is squared we can...
Curated Video
Writing a Polynomial Function
In this lesson, students learn how to find the volume of a box by analyzing a physical context. They review the concept of a polynomial function and then apply it to write a function for the volume of the box based on its height.
Flipping Physics
Force of Gravity and Gravitational Potential Energy Functions from Zero to Infinity (but not beyond)
The force of gravity and the gravitational potential energy between an object and a planet is derived and graphed, inside and outside the planet.
Brian McLogan
Master How to find the area and perimeter of a triangle given three points
Master How to find the area and perimeter of a triangle given three points
Brian McLogan
Multiplying complex numbers, two binomials
In this video tutorial I show you how to multiply imaginary numbers. We will multiply monomials, binomials and trinomials together and then simplify. It is important when multiplying complex number that we simplify the answer and write...
Brian McLogan
Classifying Conic Sections: Conic Sections | Pre-Calculus Lesson
In this lesson we will work on how to identify the different types of conics when given an equation in standard or general form. In general form we will discuss how to find the vertex of a parabola as well as the center of an ellipse,...
Brian McLogan
How do you solve a quadratic by completing the square
π Learn how to solve quadratic equations by completing the square. When solving a quadratic equation by completing the square, we first take the constant term to the other side of the equation and create a perfect square trinomial with...
Brian McLogan
Finding the Composition of Two Functions
Learn how to compose two functions where one or both of those functions is/are radical. To compose two functions means to express one of the functions as a function of the other function. This is done by replacing the input variable of...
Brian McLogan
Algebra 2 - Multiplying a complex number squared to simplify the expression, (4 - i)^2
In this video playlist you will learn how to simplify complex numbers under a radical as well as raised to a higher power. You will learn to add, subtract, multiply and divide complex numbers to write in simplified standard form. When...