Brian McLogan
Solve a system of linear equations 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...
Curated Video
Finding Solutions to Systems of Equations
In this video, the teacher explains how to find the solution to a system of equations by looking at their intersection on a graph. They demonstrate this concept using two different examples and show how to set the expressions equal to...
Brian McLogan
What do I need to know to solve logarithmic equations
👉 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
Factor using the quadratic formula finding real irrational roots
👉 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...
Science360
CLEARING FEEDING TUBES FASTER: BIOTECH'S FUTURE
Feeding tubes often become clogged with medication and food, depriving patients of nutrition. National Science Foundation-funded small business Actuated Medical has invented an FDA-approved device that clears clogs quickly and cleanly....
Why U
Algebra 76 - Completing the Square - part 2
In the previous lecture we showed how any quadratic equation can be solved by "completing the square". We also showed geometrically that any general form quadratic expression "x-squared + bx + c" where c has a value of "(b/2) squared"...
Brian McLogan
Solving a quadratic using quadratic formula with two real solutions
👉 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
Finding Solutions to Linear Equations through Graphs
In this video, students learn how to find the solution to a pair of linear equations by looking at their graphs. The solution is a pair of values that make both equations true at the same time.
Brian McLogan
Finding the exact value for sine of 15 degrees using the half angle formula
👉 Learn how to evaluate the Sine of an angle using the half-angle formula. The half-angle formula for Sine is helpful when you need to determine the exact value of function given an angle but cannot use a calculator or the angle is not...
Brian McLogan
How to solve a quadratic using 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...
Let's Tute
Solving Linear Equations by Graphical Method: Finding the Number of Solutions for Parallel Lines
In this video, we solve a problem based on graphical method for a pair of linear equations. We draw graphs for the two equations and find the number of common points between the lines to determine the number of solutions. We also show...
KnowMo
Using Graphs to Find Solutions
The video discusses how to use graphs to find solutions for systems of equations, both linear and quadratic. The speaker explains how to plot the equations onto graph paper and identify the point of intersection as the solution. They...
Australian Broadcasting Corporation
Can Seaweed Save the World: Carbon storage in the homes and cities of tomorrow
Professor Tim Flannery investigates how seaweed is helping to save the world. From growing the foods of the future, helping clean polluted water and even combating climate change. Dr. Adam Bumpus and his team at the University of...
Curated Video
Introduction to the pH Scale and Neutralization
The video is a lesson on the basics of the pH scale and neutralization. The instructor discusses the properties of acids and alkalis, how solutions containing them can be described in terms of their acidic or alkaline nature, and how the...
Curated Video
Determining Real or Imaginary Solutions of Quadratic Equations
In this video lesson, you will learn how to determine whether the solutions of a quadratic equation are real or imaginary by calculating the value of the equation's discriminant. The discriminant, which is found under the square root...
Brian McLogan
Finding the solutions to a trigonometric equation
👉 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...
Brian McLogan
Learn how to solve using 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 factor and solve a trinomial when it is not set to zero
👉Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...
IDG TECHtalk
Enterprise networking trends in 2021: Preparing for the new normal
A year into the coronavirus pandemic, IT continues to support remote employees. As organizations begin planning to bring workers back into the office, IT must now consider upgrading their networks to best support employees in a...
Brian McLogan
How to use the long division to help you divide two numbers, the long way
👉 In this video series you will learn how to divide integers. We will discuss basic division and then move to division using long division. Integers will be single digit as well as multi-digit problems. When a number the divisor does not...
Brian McLogan
What do I need to know to solve a quadratic by the quadratic formula
👉 Learn all about the quadratic formula. The quadratic formula is a formula which can be used to find the roots of (solve) a quadratic equation. The quadratic formula is given by x = (-b +/- sqrt(b^2 - 4ac)) / 2a, where a is the...
Brian McLogan
Finding the zeros by factoring using the difference of two cubes
👉 Learn how to find the zeroes of a polynomial equation/expression involving the sum/difference of two cubes. Given a polynomial having the sum of two cubes, the polynomial can be factored as follows: a^3 + b^3 = (a + b)(a^2 - ab + b^2)....
Curated Video
CompTIA Security+ Certification SY0-601: The Total Course - Physical Security Lab
A full IT security audit always includes physical security. In this episode, physical security considerations are presented.
This clip is from the chapter "Physical Security" of the series "CompTIA Security+ Certification SY0-601:...
Brian McLogan
Solving a quadratic by factoring but first setting equal to zero
👉Learn how to solve quadratic equations by factoring when a is equal to 1. A quadratic is an algebraic expression having 2 as the highest power of its variable(s). To factor an algebraic expression means to break it up into factors...