Curated Video
Interpret Features of Functions
This video will review how to interpret the different features of linear, quadratic, and exponential functions.
Why U
Algebra 84 - Monomial Building Blocks of Polynomial Functions
A polynomial is a sum of one or more terms called monomials. If we think of each monomial as a separate function, then a polynomial function can be thought of as a sum of these monomial functions. In previous lectures we have studied...
Curated Video
Identify the Equations that are Linear Functions
In this short math video we will be presented with 5 equations and asked to identify the equations that are linear functions. We will understand that a linear function must be able to be written in the form y=mx+b. We will also...
Curated Video
Solving a System of Quadratic and Linear Equations Using Substitution
In this video, the teacher explains how to solve a system of equations that includes both a quadratic and a linear equation. The method used is substitution, where one equation is substituted into the other to eliminate one variable. The...
Curated Video
Analyzing Quadratic and Linear Functions in Real Life Word Problems
In this video, we explore the concept of domain restrictions in quadratic functions by analyzing real-life scenarios involving linear and quadratic functions. We learn about function notation, linear functions with constant rate of...
Curated Video
Understanding Quadratic Functions with No Zeros or Real Roots
This video discusses the limitations of using zeros to graph a quadratic function and introduces the concept of functions with no zeros or real roots. It explains that if a quadratic function has no real number values that make it equal...
Curated Video
Finding Zeros of First and Second-Degree Polynomial Functions
This video explains how to find the zeros of first and second-degree polynomial functions by setting the function equal to zero and solving for x. It also discusses the concept of linear functions and their x-intercepts, as well as the...
Why U
Algebra 77 - The quadratic formula
Before the method of completing the square was developed, only very limited types of quadratic equations could be solved. This method eliminated those limitations, allowing the solutions of any quadratic equation to be found. As...
Curated Video
Finding Zeros of a Quadratic Function by Factoring a Trinomial
In this video, the teacher explains how to find the zeros of a quadratic function by factoring a trinomial. They explain the zero product property and the importance of factoring completely. They then demonstrate how to apply these...
Curated Video
Maximizing Revenue: Using Quadratic Functions to Find the Best Selling Price
In this video, you will learn how to use the graph of a quadratic function to find the best price for selling stuffed animals. By finding the zeros of the function and understanding the relationship between price and sales, you can...
Curated Video
Factoring Quadratic Functions to Reveal Zeros
In this video, the teacher explains how to factor a quadratic function to find its zeros. They demonstrate the process using examples and highlight common mistakes to avoid.
Curated Video
Writing Quadratic Equations Using Points on the Parabola
In this video, the teacher explains how to write the equation of a parabola using different methods. They also demonstrate how to solve systems of equations and find the vertex of a parabola. The video concludes by applying these...
Curated Video
Finding Zeros of Quadratic Functions: The Power of Factored Form
In this lesson, we explore the different forms of quadratic functions and how they provide useful information about the function. Specifically, we focus on the factored form of a quadratic function, which allows us to easily identify the...
Curated Video
Identifying Zeros of Perfect Square Quadratic Functions by Factoring
In this lesson, students will learn how to identify the zeros of a quadratic function that fits the perfect square pattern by factoring. They will understand that the zeros of a function are the input values that make the function equal...
Curated Video
Factoring Quadratic Functions to Reveal Zeros
In this video, the teacher explains how to factor a quadratic function to reveal its zeros. They demonstrate the process step by step and provide examples for better understanding.
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
Finding Zeros of a Quadratic Function by Factoring
In this video, you will learn how to identify the zeros of a quadratic function in standard form by factoring. By rewriting the function in factored form and setting it equal to zero, you can determine the values of X that make the...
Curated Video
Finding X-Intercepts of Quadratic Functions by Factoring
In this video, the teacher explains how to find the x-intercepts of a quadratic function by factoring. They clarify the difference between y-intercepts and x-intercepts and demonstrate how to use the zero product property to find the...
Curated Video
Determining Rational X Intercepts of Quadratic Functions through Factoring
In this video, the teacher explains how to determine the number of rational x-intercepts in the graph of a quadratic function by examining the method used to factor the function. The video also clarifies the difference between rational...
Brian McLogan
Solving a quadratic equation using inverse operations
👉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...
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...
Brian McLogan
Finding the Zeros and Multiplicity of a Quadratic Function
👉 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...