Why U
Algebra 68 - Converting Between General and Vertex Form
A quadratic function can be written in general form or in vertex form. But given a quadratic function in one of these forms, how can we convert to the other form? This lecture shows how conversion formulas between these two forms can be...
Curated Video
Exploring Horizontal Translations of Quadratic Equations
In this lesson, students will learn about horizontal translations of quadratic equations. They will explore different representations and understand how the functions F of X and G of X are alike and different.
Curated Video
Graphing Absolute Value Functions
In this video, the teacher explains how to graph absolute value functions using a T chart. They demonstrate how to find the absolute value of a number and address common misunderstandings. The teacher then applies these concepts to...
Math Fortress
Geometry: Introduction to Geometry (Level 3 of 7)
This video continues introducing the basic building blocks for the successful study of geometry. This video goes over 5 examples covering the appropriate way to denote and name angles formed by points on a geometric figure.
Curated Video
Solving Quadratic Problems with Factored Form (a > 1)
In this lesson, students will learn how to solve quadratic problems when the coefficient "a" is greater than one. They will explore the factored form of quadratic functions to find zeros and lines of symmetry.
Curated Video
Visualizing Cross Sections of Pyramids
In this video, the teacher explains how to determine the shape of a cross section when slicing a three-dimensional solid, using the example of the Great Pyramids of Giza.
Brian McLogan
What do I have to know to graph a quadratic 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...
Curated Video
Identifying Quadrilaterals
In this video, students learn how to identify quadrilaterals by finding shapes with four straight sides that meet at four corners. They are taught to use a straight edge or ruler to check for straight sides and ensure that all sides meet...
Brian McLogan
Graphing the reciprocal function with multiple transformations
👉 Learn how to graph the reciprocal function. A reciprocal function is a rational function whose expression of the variable is in the denominator. A reciprocal function is of the form f(x) = a / (x + h) + k, where h is the vertical...
Curated Video
Identifying Angles: Comparing to Square Angles
In this video, the teacher explains how to identify different types of angles by comparing them to square angles. The lesson covers acute angles, obtuse angles, right angles, and straight angles, providing examples and visuals to help...
Brian McLogan
What is a vertex
Definitions are very important to your understanding of why and how we use mathematical processes. Without understanding what a process or certain terms mean it is very hard to understand how or why to do something. That is why I want to...
Brian McLogan
Determine the axis of symmetry, vertex and graph of a parabola
👉 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...
Brian McLogan
Learn the three possible solutions of a quadratic
👉Learn 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 do I graph a quadratic in standard form
👉 Learn how to graph quadratics in standard form. 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...
Virtually Passed
Second Moment of Area Example 2
In this video I use the double integral to solve for the moment of inertia of area of a triangle about a vertex Ix = /int y^2 dA This can also be done without using double integrals if we choose a 'larger' value of dA which is a...
Curated Video
Describing Cross-Sections of a Right Rectangular Pyramid
In this video, students learn how to describe the cross-sections of a right rectangular pyramid by slicing at different angles. They are introduced to the concept of cross-sections and how they result from cutting a 3-dimensional shape...
Curated Video
Determining Unknown Ordered Pairs
In this video, the teacher explains how to determine the location of an unknown ordered pair by using characteristics of polygons. They review the X and Y axes and the importance of understanding the rotation along each axis. The teacher...
Curated Video
Drawing a Hexagon
In this video, the teacher explains how to draw a hexagon by connecting six straight sides. The lesson emphasizes the importance of following three rules: drawing six sides, ensuring the sides are straight, and making sure all sides meet...
Brian McLogan
Graphing a quadratic function in standard form
👉 Learn how to graph quadratics in standard form. 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...
Let's Tute
Elimination Method PS Tutorial
Learn System of Linear Equations in two Variables by Graphical Method which forms Coincident Lines (Problem Solving)
Brian McLogan
Summary for graphing a parabola within conic sections
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...
Curated Video
Finding Maximum and Minimum Values by Completing the Square
In this video, the teacher explains how to determine the optimal production level for a company to maximize revenue and minimize costs using quadratic functions in vertex form. The teacher demonstrates how to complete the square to find...
Curated Video
Proving the Pythagorean Theorem Using Similarity
In this lesson, students will learn how to prove the Pythagorean theorem using similarity. By investigating and following a series of steps, they will discover that by cutting a right triangle and drawing altitudes, they can create...
Curated Video
Find a" to determine whether vertex is a maximum or a minimum"
In this lesson you will learn how to determine whether the vertex of a quadratic function is a maximum or a minimum by determining the value of "a".