Brian McLogan
Factors and x intercepts of a quadratic function
πLearn 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...
Brian McLogan
How do find the x and y intercepts and graph
π Learn how to graph linear equations written in standard form. When given a linear equation in standard form, to graph the equation, we first rewrite the linear equation in slope intercept form, (i.e. in the form y = mx + c, where m is...
Brian McLogan
How to analyze a quadratic function to graph
π 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
Solving Problems Involving Linear Relationships Using Standard Form
This video explains how to solve problems involving a linear relationship by writing an equation in standard form. It covers the concept of linear relationships expressed in tables, graphs, and equations, emphasizing that linear...
Brian McLogan
Find the vertex and x intercept of a quadratic
π 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
Determine the zeros of a polynomial by factoring
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...
Brian McLogan
ACT SAT Prep How to determine the number of intercepts of a polynomial factored
ACT SAT Prep How to determine the number of intercepts of a polynomial factored
Curated Video
Finding Hang Time of a Football Using Zeros of a Quadratic Function
In this video, students learn how to find the hang time of a football by using the zeros of a quadratic function. The video explains the concept of quadratic functions and their graphs, emphasizing the importance of understanding the...
Curated Video
Solving Systems of Equations by Linear Combination
This video explains how to solve systems of equations using linear combination, also known as elimination. It demonstrates the process step-by-step and provides examples to help students understand the concept.
Brian McLogan
Learning to apply the square root method to solve a quadratic equation
πLearn 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
Relate Factors and Zeros Using the Factor Theorem
This video explains the relationship between factors and zeros of a polynomial using the factor theorem. The remainder theorem is also discussed as a precursor to understanding the factor theorem. Review how to determine if a polynomial...
Brian McLogan
How to solve a system of equations by graphing
πTo 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)...
Brian McLogan
How to determine the characteristics of a functions graph
π Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...
Curated Video
Graphing Quadratic Functions in Intercept Form
This lesson will explain how to graph a quadratic function in intercept form. You will learn how to find the axis of symmetry given the intercepts and how to find the value of a to write a function.
Curated Video
Understanding Zeros of Polynomial Functions
In this video, the concept of "0's" in polynomial functions is explored. A "0" is an input value that yields an output of 0 in a function. The video explains how to identify and find the 0's of a function, and how they relate to the...
Curated Video
Finding X Intercepts of Linear Functions by Factoring
In this video, the teacher explains how to find the X-intercepts or zeros of linear functions by factoring. They demonstrate the process with several examples and emphasize the importance of setting the function equal to zero and solving...
Curated Video
Solving a Factored Polynomial Equation Using the Zero Product Property
In this video, the teacher explains how to solve polynomial equations using the 0 product property and factoring polynomials completely. The focus is on finding the zeros or roots of the function, which are the points where the function...
Brian McLogan
How to determine multiple characteristics of the graph of a polynomial
π Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...
Curated Video
Solving Quadratic Equations with the Quadratic Formula
In this video, the presenter explains how to use the quadratic formula to generate answers for X. They start by showing the formula and breaking it down into its components. Then, they demonstrate how to identify the values of A, B, and...
Brian McLogan
Two ways to write the x and y intercepts of a graph
π Learn about the characteristics of a function. Given a function, we can determine the characteristics of the function's graph. We can determine the end behavior of the graph of the function (rises or falls left and rises or falls...
Brian McLogan
How to determine the rate of change using a graph
π Learn how to find the rate of change from graph. The rate of change is the rate at which y-values are changing with respect to the change in x-values. To determine the rate of change from a graph, a right triangle is drawn on the graph...
Curated Video
Understanding Functions and Context
In this video, the teacher explains how context influences functions by examining a graph. They use the example of a volume function for a box to demonstrate how the x-intercepts represent the points where the volume is zero.
Brian McLogan
What are the critical points of a sine and cosine graph
π Learn the basics to graphing sine and cosine functions. The sine graph is a sinusiodal graph with x-intercepts at x = 2n*pi, maximun value of 1 at x = pi/2 + 2n*pi and minimum value of -1 at x = -pi/2 + 2n*pi. The cosine graph is a...
Curated Video
Understanding Linear Models: Parts and Meanings
This video explains the different parts of a linear model, including the coordinate plane, slope, y-intercept, and types of lines. It helps viewers understand how to identify and interpret these components in a linear equation, using...