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.
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...
Brian McLogan
Algebra 2 - Dividing complex numbers by multiplying by i, (8-6i) / 3i
In this video tutorial I show you how to divide complex numbers. Since complex numbers have an imaginary part which we cannot divide into other numbers we rewrite the expression by multiplying by i or the conjugate on the denominator or...
Curated Video
GCSE Secondary Maths Age 13-17 - Shapes & Area: Trapezium/Circle Area - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
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.
ATHS Engineering
Introduction to Motion in Two Dimensions
This video explains how to understand motion in 2D by focusing on one dimension at a time and making assumptions about gravity and acceleration. The video also covers how to calculate the trajectory of a projectile, including the X and Y...
Brian McLogan
Learn how to write the equation of a circle given a point and the center
Learn how to write the equation of a circle. A circle is a closed shape such that all points are equidistance (equal distance) from a fixed point. The fixed point is called the center of the circle while the distance between any point of...
Brian McLogan
How to find the diameter of a circle when given the area
π Learn how to find the area and perimeter of a parallelogram. A parallelogram is a quadrilateral with two pairs of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
Brian McLogan
Given the area of a circle find the radius
π Learn how to find the area and perimeter of a parallelogram. A parallelogram is a quadrilateral with two pairs of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is...
Brian McLogan
Writing the equation of an ellipse given the foci and a 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
Learn how to write the equation of an ellipse when given the foci & 2 y intercepts
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 formula for a parabola given the focus and vertex and the origin
Learn how to write the equation of a parabola given the vertex and the focus. 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
Graph a parabola with a vertical axis of symmetry and identify the focus & directrix
Learn how to graph a parabola in standard form when the vertex is not at the origin. We will learn how to graph parabola's with horizontal and vertical openings. In addition to graphing you will also learn how to identify the important...
Brian McLogan
Verify an identity by converting to a monomial denominator
π Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term(s) on the left hand side of the equality sign is equal to the term(s) on the right hand side. To...
Brian McLogan
Find the value of the integral with e
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 indefinite integral or as a definite...
Brian McLogan
Convert equation of circle in rectangular form to polar form
Convert equation of circle in rectangular form to polar form
Brian McLogan
How To Multiply Polynomials Using Area of a Rectangle - Math Tutorial
π Learn how to multiply polynomials. To multiply polynomials, we use the distributive property. The distributive property is essential for multiplying polynomials. The distributive property is the use of each term of one of the...
Brian McLogan
How to subtract two trinomials polynomials
π Learn how to subtract polynomials. To subtract polynomials, we first simplify the polynomials by removing all brackets. Then, we combine like terms. Like terms are terms that share the same base and power for each variable. When you...