Curated Video
Finding the Center and Radius of a Circle Using the Equation
In this video, mathematicians learn how to find the center and radius of a circle by analyzing its equation. The video explains the key components of a circle, such as the center and radius, and then breaks down the standard form of a...
Math Fortress
Calculus III: Three Dimensional Coordinate Systems (Level 5 of 10)
This video continues the exploration of a three dimensional Cartesian coordinate system.This video covers two basic examples requiring the use of the distance formula in three dimensions. In addition, the equation of a sphere is also...
Curated Video
Predicting Solutions of Linear Equations
In this video, the teacher explains how to predict the number of solutions in linear equations by identifying key features. They demonstrate examples of equations with one solution, no solutions, and infinitely many solutions,...
Curated Video
Determining End Behavior of Polynomials
In this video, we explore the concept of end behavior in polynomials. We learn that the behavior of a polynomial as x approaches positive or negative infinity depends on the degree and leading coefficient of the polynomial. We examine...
Brian McLogan
Eliminate the parameter to obtain a radical function
I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips. I believe everyone can learn math...
Curated Video
Subtracting Multiples of 100 Using a Number Line
In this video, students learn how to subtract multiples of 100 from a number using a number line. The teacher explains the concept by demonstrating with various examples and encourages students to use their knowledge of place value to...
Curated Video
Solving Quadratic Equations by Completing the Square
In this video lesson, you will learn how to solve any equation of the form x squared plus bx plus c equals 0 by completing the square. The teacher explains the steps involved in completing the square and demonstrates with examples....
Curated Video
Understanding Quadratic Roots: Analyzing the Discriminant
In this video, the teacher explains how to determine the nature of the roots of a quadratic equation by examining the discriminant. The discriminant is the part under the square root in the quadratic formula, and its value can indicate...
Curated Video
Subtracting Integers Using the Difference on a Number Line
In this lesson, students will learn how to subtract integers by finding the difference on a number line. They will understand that the relative size of the numbers determines the size of the difference, with a larger number minus a...
Curated Video
Writing Arithmetic Sequences Recursively and Explicitly
This video explains the concept of arithmetic sequences and demonstrates how to write them recursively using the explicit rule. It also emphasizes the importance of consistency in the common difference when identifying an arithmetic...
Curated Video
Testing Solutions to Systems of Equations
In this video, the teacher explains how to determine if a pair of numbers is a solution to a system of linear equations. By systematically testing values, the teacher demonstrates how to find the values of X and Y that satisfy both...
Curated Video
Combining Functions: Adding and Subtracting Graphs
In this lesson, students will learn how to combine the graphs of two functions by adding and subtracting. They will understand how to find the new function by adding or subtracting the expressions for each function. Additionally, they...
Curated Video
Finding Dimensions of Figures Formed by Removing Squares
In this video, students learn how to find the dimensions of a figure formed when removing a smaller square from a larger square. The teacher explains the concept of polynomial identities and demonstrates how to use them to find the...
Curated Video
Solving Quadratic Equations using the Quadratic Formula
In this video, the teacher explains how to solve quadratic equations using the quadratic formula. They highlight common mistakes to avoid, such as squaring negative numbers and correctly identifying the coefficients.
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
Rewriting Rational Expressions to Find Missing Dimensions
In this video, the teacher explains how to find missing dimensions in area or volume problems by rewriting rational expressions. The lesson covers factoring and long division techniques to simplify expressions and determine the width,...
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
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
Evaluating Polynomials Using Long Division
In this video, the teacher explains how to evaluate a polynomial for a given value using both substitution and long division. They demonstrate step-by-step processes for solving polynomial equations and emphasize the importance of...
Brian McLogan
Find the particular solution given the conditions and second derivative
Learn how to solve the particular solution of differential equations. A differential equation is an equation that relates a function with its derivatives. The solution to a differential equation involves two parts: the general solution...
Curated Video
Rewriting Percent Decrease as a Multiplication Problem
In this video, the teacher explains how to write a percent decrease as a multiplication problem. Using examples of items on sale, the teacher demonstrates how to represent the original price, the discount, and the sale price as...
Curated Video
Solving Polynomial Equations: Finding Solutions and Factoring
In this video, the teacher explains how to solve polynomial equations by factoring and using the remainder theorem. They provide step-by-step examples and show how to find all the solutions to the equations.
Curated Video
Writing a Recursive Formula for an Exponential Relationship
In this lesson, students will learn how to express exponential patterns without listing all of the terms. They will learn how to write a recursive formula for an exponential relationship by looking at what happens before a particular...