Brian McLogan
Summary for solving a quadratic by completing the square
π 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...
Curated Video
Reasoning with Exponents and Radicals
In this short video we will answer a standardized math test question where we are asked to find the value of the unknown variable in a given equation for different situations. We will review the terms power, base, exponent, square root,...
Curated Video
Derive the Quadratic Formula
In this video I will derive the Quadratic Formula by Completing the Square to the standard form for a quadratic equation. Have you ever wondered where the quadratic formula came from? Do you struggle to understand why such a complicated...
Curated Video
Create a Custom Lego Building Block Template for PowerPoint
In this tutorial, Justin demonstrates how to create a custom Lego Building Block template presentation in PowerPoint. He shows how to design one by one and two by four Lego bricks with precise measurements and alignment, incorporating...
Curated Video
Proof by Exhaustion and Disproof by Counterexamples
In this video, the presenter discusses two methods of mathematical proof: proof by exhaustion and disproof by counterexamples. They explain that proof by exhaustion involves checking all possible cases, while disproof by counterexamples...
Brian McLogan
Find the Zeros & Multiplicity of a Polynomial Function to Fifth Degree
π 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
Standard form to vertex form of a quadratic function
π 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...
Brian McLogan
Solving a quadratic by completing the square
π 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...
Brian McLogan
Completing the square of two functions
π 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...
Curated Video
Creating Levels and Portals in Scratch
In this video tutorial, the teacher guides viewers through the process of adding a portal to a game created in Scratch. They demonstrate how to create new levels, draw sprites, add code for the portal interaction, and manage level...
Why U
Algebra 75 - Completing the Square - part 1
Quadratic equations can be solved using the "zero product property" once the quadratic expression has been factored into a pair of linear expressions. However, until the development of a technique called "Completing the Square", only...
Brian McLogan
Simplifying a perfect square trigonometric trinomial
π Learn how to simplify identities by factoring. Just like in normal algebraic expressions, trigonometric identities can be simplified by factoring out the GCFs from the terms of the identities, then common trigonometric identities like...
Brian McLogan
Summary for solving a perfect square trinomial
πLearn how to solve quadratic equations by factoring. We will focus on factoring special techniques such as the zero product property, difference of two squares, box method and guess and check. Once we have factored the quadratic...
Brian McLogan
Tips for solving by factoring when a perfect square
πLearn how to solve quadratic functions. Quadratic equations are equations whose highest power in the variable(s) is 2. They are of the form y = ax^2 + bx + c. There are various techniques which can be applied in solving quadratic...
Brian McLogan
How to find the value c that completes the square of a quadratic, x^2 - 20x + c
π Learn how to find the value c that completes the square in a quadratic expression. A quadratic expression is an expression whose highest exponent in the variable(s) is 2. It is of the form ax^2 + bx + c where a, b, and c are constants....
Brian McLogan
Solving by Completing the square by factoring out a negative one
π 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...
Brian McLogan
What is a perfect square
In this video series we explore square roots. We look to understand what are the parts of a square root, how to simplify, approximate and evaluate square roots. Understanding square roots are very important to understanding our number...
Brian McLogan
Solving a perfect square trinomial with multiple terms
πLearn how to solve quadratic equations by factoring. We will focus on factoring special techniques such as the zero product property, difference of two squares, box method and guess and check. Once we have factored the quadratic...
Brian McLogan
Completing the square to solve a quadratic with irrational solutions
π 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...
Brian McLogan
Graphing a quadratic by completing the square to use vertex form
π Learn how to graph quadratic equations by completing the square. 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...
Brian McLogan
Writing an equation in vertex form from quadratic form
π 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...
Curated Video
How to Classify Real Numbers
This lesson reviews key vocabulary of real numbers. A Venn Diagram is used to classify real numbers. You will learn how to use vocabulary words - whole, integer, rational, irrational and real to classify numbers. Grade 8 Common Core...
Brian McLogan
Solve by factoring when a perfect square
πLearn 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...
Brian McLogan
Master Determing the vertex, focus and directrix of a parabola by completing the square
Master Determing the vertex, focus and directrix of a parabola by completing the square