Curated Video
Gravitational Field Strength and Weight: Understanding the Force of Gravity
This video is a lecture on the concept of gravitational field strength and its associated force. The lecturer explains how gravity causes the attraction between all masses and how the strength of the gravitational field around a...
Professor Dave Explains
Spectrophotometry and Beer's Law
We've learned about kinetics already, but how do we gather kinetic data? One clever method is by analyzing how the color of a solution changes over time, which is an indication of the concentration of certain compounds that interact with...
Curated Video
Most times to fold a piece of paper
It was an accepted belief that folding a piece of paper in half more than 8 times was impossible. On 27 January 2002, high school student, Britney Gallivan, of Pomona, California, USA, folded a single piece of paper in half 12 times and...
Brian McLogan
How to use the discriminat to describe your solutions
👉 Learn how to determine the discriminant of quadratic equations. A quadratic equation is an equation whose highest power on its variable(s) is 2. The discriminant of a quadratic equation is a formula which is used to determine the type...
Brian McLogan
How to graph a quadratic equation in standard form
👉 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
Summary for solving one variable inequalities
👉 Learn about solving an inequality and graphing it's solution. An inequality is a relation where the expression in the left hand side is not equal to the expression in the right hand side of the inequality sign. A linear inequality is...
Brian McLogan
Using Parallel Lines to Find your Variables X and Y
👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and are drawn straight to each other such that they cannot meet. In geometry,...
Virtually Passed
Math Puzzle - Inventing a function
What is a function f(x) such that: x f(x) 1 1 2 1 3 2 4 2 5 3 etc... The trick to solving this puzzle is to find a function which returns 1 for even numbers and 0 for odd numbers!
TMW Media
Projectile Motion: Solving another problem
Given certain parameters, how would you solve this other problem? Projectile Motion, Part 5
Brian McLogan
Eliminating the parameter for parametric equations quadratic
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...
Why U
Algebra 53 - Elementary Row Operations
Once a system of linear equations has been converted to augmented matrix form, that matrix can then be transformed using elementary row operations into a matrix which represents a simpler system of equations with the same solutions as...
Brian McLogan
Solving Exponential equations
👉 Learn how to solve exponential equations. An exponential equation is an equation in which a variable occurs as an exponent. To solve an exponential equation, we isolate the exponential part of the equation. Then we take the log of both...
Brian McLogan
Apply the equality of logarithms to solve, log2 (4x - 6) = log2 (2x + 8)
👉 Learn about solving logarithmic equations. Logarithmic equations are equations involving logarithms. To solve a logarithmic equation, we first use our knowledge of logarithm laws/properties to express the terms in both sides of the...
Brian McLogan
What is vertex form of a parabola EQ
Learn all about parabolas in conic sections. We will discover the basic definitions such as the vertex, focus, directrix, and axis of symmetry. We will also take a look a basic processes such as graphing, writing the equation and...
Brian McLogan
Finding a rule from a table using addition and subtraction - Help on math
👉 How to write the rule of a function given the table of values. To write the rule of a function from the table is somehow tricky but can be made easier by having prior knowledge of the type of function. If the function is a linear...
Brian McLogan
How to write an equation from polar form to rectangular form
Learn how to convert between rectangular and polar equations. A rectangular equation is an equation having the variables x and y which can be graphed in the rectangular cartesian plane. A polar equation is an equation defining an...
Curated Video
Understanding Orbits: Gravity, Speed, and Distance in Space
This video is a lecture presentation on orbits. It discusses how an object remains in orbit and what affects the orbital speed of an object. The presenter explains the role gravity plays in keeping celestial bodies in orbit and gives...
Curated Video
Gravity: Linking Weight and Mass of an Object
This is a collection video on gravity, which explains the relationship between gravity, weight, and mass. The video defines gravity as a phenomenon causing attraction between all masses and shows how it affects different objects...
Brian McLogan
Learn how to write the equation of the tangent line to a quadratic
👉 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...
Curated Video
Writing Exponential Equations from Data Tables
Learn how to write exponential equations by finding patterns in a table. They discuss the different components of an exponential equation, such as the common ratio and the constant change in x. The teacher provides examples and walks...
Brian McLogan
Solving a linear system by using substitution
👉Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of the variables that makes the each of the equation in the system true. To solve a system of equations by...
Brian McLogan
Gaph the system of three linear inequalities and determine the feasible region ex 15
In this video series you will learn how to graph a system of linear inequalities. When graphing a system of linear inequalities you will graph just like a system of linear equations except you will use test points to shade.
Brian McLogan
Learn how to graph an ellipse by re writing the equation from completing the square
Learn how to graph horizontal ellipse which equation is in general form. A horizontal ellipse is an ellipse which major axis is horizontal. When the equation of an ellipse is written in the general form, we first rewrite it in standard...
Brian McLogan
How to determine the extrema and zeros from the graph of a polynomial
👉 Learn how to determine the extrema from a graph. The extrema of a function are the critical points or the turning points of the function. They are the points where the graph changes from increasing to decreasing or vice versa. They are...