Brian McLogan
How do we solve a system of linear equations using elimination 3x+y=8, 5x+2y=5
👉Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are collectively satisfied by one solution of the variables. The elimination method of solving a system of equations involves...
Curated Video
Finding the Minimum Value of a Quadratic Function by Completing the Square
This video explores the process to find a minimum value in a quadratic function by completing the square. We use two examples and highlight common mistakes to avoid. By rewriting the function in a different form, the minimum value...
Brian McLogan
Summary for solving one step equations
👉 Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
Brian McLogan
Free Online Tutoring solving quadratics
👉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...
Curated Video
Mastering Swift 2 Programming (Video 45)
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Curated Video
Mastering Swift 2 Programming (Video 20)
Swift 2 is a multi-paradigm programming language that has expressive features familiar to modern functional languages, and does not forget the object-oriented features of Objective-C. Things that took a block of code in Objective-C are...
Brian McLogan
Solving logarithmic equations with extraneous solution
👉 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
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...
Brian McLogan
How to solve one step equations
👉 Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
Brian McLogan
Solving an equation using the half angle formula of sine
👉 Learn how to solve equations using half-angle identities. To do this we will replace every trig function with half angles using the identity. Then we will simplify and solve trigonometric functions. To find the values we will use the...
Brian McLogan
Summary for solving literal equations
👉 In this playlist, you will learn how to solve a literal equation. We will work through solving literal equations from formulas as well as equations of a line. When solving literal equations we will be isolating a given variable by...
Brian McLogan
How to solve exponential equation by factoring
👉 Learn how to solve exponential equations in base e. An exponential equation is an equation in which a variable occurs as an exponent. e is a mathematical constant approximately equal to 2.71828. e^x is a special type of exponential...
Brian McLogan
Graphing a linear system of inequalities and shading their solution
👉 Learn how to graph a system of inequalities. A system of inequalities is a set of inequalities which are collectively satisfied by a certain range of values for the variables. To graph a system of inequalities, each inequality making...
Brian McLogan
Rewriting an equation in slope intercept form to identify the slope and y intercept
👉 Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Brian McLogan
Master writing a two column algebraic proof
Master writing a two column algebraic proof
Brian McLogan
Solving exponential equations using the one to one property
👉 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
Solve a system of 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...
Brian McLogan
Learn to identify the slope & y intercept when an equation is not in slope intercept form
👉 Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Brian McLogan
Determining the slope & y intercept when an equation is not in slope intercept form ex 14
👉 Learn how to write the equation of a line in a point-slope form. The equation of a line is such that its highest exponent on its variable(s) is 1. (i.e. there are no exponents in its variable(s)). There are various forms which we can...
Curated Video
Representing the Solution Set of an Inequality on a Number Line
In this lesson, students learn how to represent the solution set of an inequality on a number line. They review the concepts of variables, inequalities, and number line representations. Through a step-by-step process, students solve an...
Brian McLogan
How to sketch a parabola by finding the focus and directrix
Learn how to graph a vertical parabola. A parabola is the shape of the graph of a quadratic equation. A parabola is said to be vertical if it opens up or opens down. A vertical parabola results from a quadratic equation in which the x...
SWPictures
Netherlands: Smelly Feet Fighting Malaria
The video discusses how scientists have discovered that mosquitoes are attracted to the smell of human feet due to the bacteria on the skin. The video features interviews with the researchers and footage of their experiments.
Brian McLogan
What do you need to know to solve one step equations
👉 Learn all about the processes and definitions for solving linear equations. You will gain a better understanding about the vocabulary and steps used to solve liner equations such as how to isolate an equation and apply inverse...
Brian McLogan
Solving a linear system of two equations by graphing
👉To solve a system of equations means to obtain a common x-value and a common y-value that makes the each of the equation in the system true. To solve a system of equations by graphing means to obtain the point of intersection (if any)...