Professor Dave Explains
Solving Quadratics by Using the Quadratic Formula
Solving quadratic equations.
Curated Video
Solving Inequalities with Negative Coefficients
In this video, mathematicians learn how to solve inequalities in one variable with negative coefficients. The lesson teaches how to rewrite the inequality to result in a positive coefficient, making it easier to work with.
Curated Video
Factoring Trinomials Using the Diamond and Box Method
In this lesson, students will learn how to factor trinomials using the diamond and box method. They will be taught how to determine the replacement terms by examining the constant and middle terms of the trinomial. Then, they will use...
Flipping Physics
Introduction to the Coefficient of Friction
Please do not confuse the Coefficient of Friction with the Force of Friction. This video will help you not fall into that Pit of Despair!
Why U
Algebra 83 - Polynomials
This lecture is an introduction to polynomials. Linear functions and quadratic functions which we have studied in previous lectures are both examples of a broader class of functions called polynomial functions. In this lecture, we will...
FuseSchool
MATHS - Algebra - Polynomials
In algebra we have lots of different names for different things: expressions, equations, formulae and identities are all slightly different versions of similar things. Then within these, we have variables, constants, coefficients and...
Curated Video
Choosing the Right Method: Solving Systems of Equations
Learn how to choose between elimination and substitution methods to solve a system of equations. This video provides examples and discusses the advantages and disadvantages of each method. The goal is to help students understand when to...
Curated Video
Solving Systems of Literal Equations
In this lesson, students will learn how to solve systems of literal equations, which are equations with variables representing unknown values. They will use properties of real numbers and inverse operations to isolate variables and find...
Curated Video
Writing Quadratic Equations from Patterns in Tables
In this video, you will learn how to write quadratic equations by finding patterns in a table of data. The video covers topics such as linear equations, slope-intercept form, elimination method, and the general form of a quadratic function.
Professor Dave Explains
Balancing Chemical Equations
Atoms don't just appear and disappear into thin air, you silly goose. What are you, a magician? When we have a chemical equation we will have to balance it. Here's how to do it!
Curated OER
One Step Equations
Stating that "the fun thing about algebra is that you can always check your answer," Sal demonstrates the simplest ways to solve several algebraic equations. He specifies that viewers should focus on the steps he's taking and why he's...
Curated OER
SAT Prep: Test 8 Section 5 Part 4
If your math students are having a hard time with graphing and slopes, this video could be a great resource as they prepare for the SAT. Sal takes care in explaining his thought process, making sure where to note different strategies to...
Khan Academy
SAT Prep: Test 7 Section 5 Part 3
Choosing the "quick and dirty" method of solving problems rather than more mathematically complicated, Sal shows students the importance of time management when taking the SAT (or other math tests). He still arrives at correct answers,...
Mathispower4u
Polynomials and Polynomial Terminology
It's important to know the names of things. Scholars learn about vocabulary related to polynomials by viewing an educational video. They watch as the narrator completes a table identifying the name, leading coefficient, constant term,...
Mathispower4u
Polynomial Terminology: Name, Coefficient, Constant, Degree (Example)
Be determined to learn about terminology. An educational video covers examples of identifying the name, leading coefficient, constant, and degree of polynomials. Scholars see how to describe polynomials using these attributes.
Mathispower4u
Determine the Terms and Coefficients of a Variable Expression
It's time to come to terms with identifying algebraic terms. An instructional video teaches scholars about terms and their associated coefficients for variable expressions. They watch the narrator fill out a table of terms and...
Mathispower4u
Determine If an Expression Is a Polynomial
Polynomial or not, here they come. An instructional video first reviews definitions of polynomials, terms, coefficients, and degrees of a polynomial. Viewers watch as the narrator classifies six expressions as being a polynomial or not,...
Mathispower4u
Algebraic Expression Vocabulary (Example)
It's not that difficult to find the terms and coefficients. An instructional video shows viewers how to determine the constant term and the coefficients of the variable terms of a polynomial. The narrator of the video works through an...
Mathispower4u
Determine the Coefficients of Various Terms (Example)
Show the class what to do with the numbers in front of the variables. Scholars watch an educational video that explains how to find the coefficient of an algebraic term. They watch as the narrator determines the coefficient for eight...
Flipped Math
End Behavior
Determine which way to go. Pupils learn how the leading term determines the end behavior of a polynomial function. They see how to use the end behavior of a polynomial to identify the graph of the function before practicing their skills...
Flipped Math
Add and Subtract Polynomials
Adding and subtracting polynomials is as easy as adding like terms. Pupils watch a video introducing polynomials and how to use a known procedure to add and subtract the polynomials. Class members work a few problems and check them...
Mathispower4u
Introduction to Polynomials
Polynomials don't need to be a mystery. Pupils watch a clarifying video that first explains how to distinguish between monomials, binomials, trinomials, and polynomials. The video then shows how to identify the degree of a term, the...
Mathispower4u
Intro to Polynomials in Two Variables (Example)
How do you organize polynomials? The presenter in a short video shows how to find the degree and coefficient of the terms of a polynomial that contains more than one variable. Scholars use that information to find the leading coefficient...
Mathispower4u
Intro to Polynomials in One Variable (Example)
Organize all the polynomials. The short video covers how to find the coefficient and degree of each of the terms of a polynomial. Using that information, pupils learn how to determine the leading coefficient and the degree of a...