Instructional Video0:53
Brian McLogan

Learn to add functions

12th - Higher Ed
๐Ÿ‘‰ Learn how to add or subtract two functions. Given two functions, say f(x) and g(x), to add (f+g)(x) or f(x) + g(x) or to subtract (f - g)(x) or f(x) - g(x) the two functions we use the method of adding/subtracting algebraic expressions...
Instructional Video4:32
Brian McLogan

Learn how to factor using the area of a box

12th - Higher Ed
๐Ÿ‘‰Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Instructional Video4:51
Brian McLogan

How to use a perfect square trinomial to solve a quadratic equation

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a quadratic equation by factoring a perfect square trinomial. A perfect square trinomial quadratic equation is of the form y = x^2 +2cx + c^2, where c is a perfet square. There are couple of ways we can solve a...
Instructional Video2:08
Brian McLogan

Solving using the difference of two squares with fractions

12th - Higher Ed
๐Ÿ‘‰Learn how to solve quadratic equations by factoring the difference of two squares. We can identify the difference of two squares but looking for binomials that have square terms. Difference of two square quadratic equations is of the...
Instructional Video3:03
Brian McLogan

Solve by factoring when a perfect square

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a quadratic equation by factoring a perfect square trinomial. A perfect square trinomial quadratic equation is of the form y = x^2 +2cx + c^2, where c is a perfet square. There are couple of ways we can solve a...
Instructional Video2:20
Brian McLogan

How to solve by factoring using a perfect square trinomial

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a quadratic equation by factoring a perfect square trinomial. A perfect square trinomial quadratic equation is of the form y = x^2 +2cx + c^2, where c is a perfet square. There are couple of ways we can solve a...
Instructional Video2:33
Brian McLogan

How to solve by factoring a perfect square trinomial

12th - Higher Ed
๐Ÿ‘‰Learn how to solve a quadratic equation by factoring a perfect square trinomial. A perfect square trinomial quadratic equation is of the form y = x^2 +2cx + c^2, where c is a perfet square. There are couple of ways we can solve a...
Instructional Video2:57
Brian McLogan

Factoring out a GCF then factoring using various methods

12th - Higher Ed
we find two factors of the product of the constant term (the term with no variable) and the coefficient of the squared variable whose sum gives the linear term. These factors are now placed in separate brackets with x to form the factors...
Instructional Video4:26
Brian McLogan

Factoring and Solving quadratics as trinomials

12th - Higher Ed
๐Ÿ‘‰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...
Instructional Video1:11
Brian McLogan

How to determine the y intercept of a quadratic equation

12th - Higher Ed
๐Ÿ‘‰ Learn about the parts of a parabola. A parabola is the shape of the graph of a quadratic equation. A regular palabola is the parabola that is facing either up or down while an irregular parabola faces left or right. A quadratic...
Instructional Video5:03
Curated Video

GCSE Secondary Maths Age 13-17 - Graphs: Graphs - Explained

9th - 12th
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...
Instructional Video21:42
Brian McLogan

12 Quadratics Solved | Completing the Square

12th - Higher Ed
In this video I work through 12 examples of solving quadratic equations using the square root method and completing the square. Even though we could solve each quadratic equation by factoring or completing the square I go through the...
Instructional Video11:16
Brian McLogan

What are the domain and range of our most basic parent functions

12th - Higher Ed
Learn how to determine the domain and range of a function given the graph of the function. Since the domain of a function is the set of all x-values we will want to identify how far left the graph goes as well as how far right to...
Instructional Video8:52
Brian McLogan

Solving a quadratic equation by completing the square

12th - Higher Ed
๐Ÿ‘‰ 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...
Instructional Video4:33
Brian McLogan

Summary for solving a quadratic by completing the square

12th - Higher Ed
๐Ÿ‘‰ 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...
Instructional Video2:19
Brian McLogan

Identify the x intercepts and vertex of an equation in vertex form ex 6, y=(x-4)^2 -4

12th - Higher Ed
๐Ÿ‘‰ Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a quadratic equation. A quadratic equation can be written in the standard form (i.e. in the form y = ax^2 + bx + c) or it...
Instructional Video3:54
Brian McLogan

Completing the square to write a quadratic from standard form to vertex form

12th - Higher Ed
๐Ÿ‘‰ Learn how to write a quadratic equation from standard form to vertex form by completing the square. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. It is of the form f(x) = ax^2 + bx + c. Given a...
Instructional Video5:31
Brian McLogan

How to graph a quadratic when it is in vertex form

12th - Higher Ed
๐Ÿ‘‰ Learn how to graph quadratic equations in vertex form. A quadratic equation is an equation of the form y = ax^2 + bx + c, where a, b and c are constants. The graph of a quadratic equation is in the shape of a parabola which can either...
Instructional Video3:55
Brian McLogan

How do we know when we have a vertical shift for a exponential function

12th - Higher Ed
๐Ÿ‘‰ Learn all about graphing exponential functions. An exponential function is a function whose value increases rapidly. To graph an exponential function, it is usually useful to first graph the parent function (without transformations)....
Instructional Video3:51
Brian McLogan

What do I need to know to solve a quadratic by the square root method

12th - Higher Ed
๐Ÿ‘‰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...
Instructional Video2:49
Brian McLogan

Solving a quadratic by applying the quadratic formula

12th - Higher Ed
๐Ÿ‘‰ 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...
Instructional Video2:21
Brian McLogan

How do you find the axis of symmetry and vertex in standard form

12th - Higher Ed
๐Ÿ‘‰ 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...
Instructional Video2:12
Brian McLogan

Learn How to Mentally Factor a Trinomial

12th - Higher Ed
๐Ÿ‘‰Learn how to factor quadratics when the coefficient of the term with a squared variable is not 1. To factor an algebraic expression means to break it up into expressions that can be multiplied together to get the original expression. To...
Instructional Video3:28
Brian McLogan

How to use the difference of two square to solve a quadratic equation

12th - Higher Ed
๐Ÿ‘‰Learn how to solve quadratic equations by factoring the difference of two squares. We can identify the difference of two squares but looking for binomials that have square terms. Difference of two square quadratic equations is of the...