Curated Video
How to Write Equations Using Vertical Angles
This video is a math lesson about how to write equations to solve vertical angle problems. The instructor explains what vertical angles are and how to identify them, and provides examples of how to write equations using the information...
Brian McLogan
Eliminating your parameter for parametric equations
Learn how to eliminate the parameter in a parametric equation. A parametric equation is a set of equations that express a set of quantities as explicit functions of a number of independent variables, known as parameters. Eliminating the...
Brian McLogan
Given rational function find the vertical asymptote and hole
👉 Learn how to find the removable and non-removable discontinuity of a function. A function is said to be discontinuous at a point when there is a gap in the graph of the function at that point. A discontinuity is said to be removable...
Brian McLogan
Solve trigonometric equation with sine and tangent
👉 Learn how to solve trigonometric equations by factoring out the GCF. When solving trigonometric equations involving the multiples of the same trigonometric function. It is very useful to collect similar trigonometric functions together...
Catalyst University
General Chemistry | Ideal Gas Law (PV=nRT) [Example #2]
In this video, we will do a second example calculation using the ideal gas equation of state, PV=nRT. [Solving for pressure, P]
Brian McLogan
How to write the equation of the tangent line with implicit equation
👉 Learn how to find and write the equation of the tangent line of a curve at a given point. The tangent of a curve at a point is a line that touches the circumference of the curve at that point. To find the equation of the tangent line...
Brian McLogan
Determining the scale factor of two quadrilaterals
👉 Learn about dilations. Dilation is the transformation of a shape by a scale factor to produce an image that is similar to the original shape but is different in size from the original shape. A dilation that creates a larger image is...
Brian McLogan
Solving a quadratic equation using inverse operations
👉Learn 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...
Brian McLogan
Learn how to show that a line is tangent to a circle by applying the quadratic formula
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Brian McLogan
Solving a quadratic by applying the quadratic formula
👉 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...
Brian McLogan
How to add, subtract, multiply and divide fractions, 2/3 + 3/5
👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Mr. Beat
Can the Police Take Your DNA? Maryland v. King
A man is arrested and a sample of his DNA is taken and put into a database. The DNA sample comes back months later to reveal it matched the DNA in a rape case and he is charged with the rape. Wait a second, what about the Fourth Amendment?
Curated Video
Understand the Relationship Between Exterior Angles
This video lesson explains the concept of exterior angles in triangles and how they are related to the interior angles. It demonstrates how to find the measures of exterior angles using the sum of interior angles. It also applies this...
Why U
Algebra 47 - Describing Infinte Solution Sets Parametrically
When the graph of the solutions of a system of linear equations in three variables is a line in Cartesian space, the solutions can be described either by a group of three parametric equations, or a parametric ordered-triple. This lecture...
Brian McLogan
How to Find All of the Zeros of a Polynomial by Factoring, Including Imaginary
👉 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 to use elimination to solve a word problem
👉Learn how to solve a system of linear equations from a word problem. A system of equations is a set of more than one equations which are to be solved simultaneously. A word problem is a real world simulation of a mathematical concept....
Brian McLogan
How to implicitly find the derivative of an equation
👉 Learn how to find the derivative of an implicit function. 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 of a...
Brian McLogan
Solving a quadratic by applying the quadratic formula
👉 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...
National Institute of Standards and Technology
Heroes of American Manufacturing Series - PFM Manufacturing Inc.
Meet the next "Hero of American Manufacturing": PFM Manufacturing. This small, Montana company is the latest manufacturer featured in the Heroes of American Manufacturing video series. Check out their story and how they launched a...
Curated Video
Solving Systems of Quadratic and Linear Equations by Graphing
In this video, the teacher explains how to solve a system of equations that includes both quadratic and linear equations by graphing. The teacher emphasizes the importance of graphing accurately and highlights common mistakes to avoid.
Curated Video
Solving Systems of Linear Equations with Constraints
In this video, the teacher explains how to solve a system of linear equations with constraints. They use examples such as determining the weight of a mouse over time and finding the number of different types of questions on a test. The...
Brian McLogan
Derivative of inverse function given an equation
👉 Learn how to find the derivative of the inverse of a function. 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 of a...
The Wall Street Journal
Showcase: A 3-D Printed Solution for Homelessness
A look at how 3-D printed dwellings could make housing more affordable and alleviate homelessness in some cities.
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...