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Algebra 65 - Creating Quadratic Expressions using the FOIL method
Quadratic expressions may be created by multiplying two linear binomial expressions together. A common procedure for multiplying two binomial expressions is referred to as the "FOIL" method. FOIL is an acronym whose letters stand for the...
FuseSchool
MATHS - Algebra - Different Parts of an Equation
Expressions, equations, formulae and identities are all slightly different types of algebraic notation. In this video we’re going to discover the differences. An expression is a collection of letters and numbers, with no equals sign. An...
Why U
Algebra 66 - General and Vertex Forms of Quadratic Functions
In this lecture, we examine two common ways to write a quadratic function, the general form and the vertex form, and see how each of these forms are related to the function's graph.
Let's Tute
Pair of Linear Equation in Two Variables - Reducible Method
Check out our video on 'Pair of Linear Equation in Two Variables' - 'Reducible Method'
Professor Dave Explains
Solving Systems Using Cramer's Rule
How to solve systems of linear equations using Cramer's rule.
Professor Dave Explains
Types of Matrices and Matrix Addition
An overview of the types of matrices and how to perform matrix addition.
Why U
Algebra 23 - Two-Point Form
The two-point form of the equation for a line can describe any non-vertical line in the Cartesian plane, given the coordinates of two points which lie on the line.
Curated Video
Evaluating Algebraic Expressions
Evaluate algebraic expressions with two or more variables and multiple steps.
Why U
Algebra 67 - Deriving the Vertex Form of a Quadratic Function
The graph of a quadratic function in a single variable is always a parabola, and when the function is written in vertex form, we can identify the coordinates of the parabola's vertex simply by looking at the function. But how is the...
Why U
Algebra 74 - Factoring Quadratics by Inspection - part 2
Factoring a quadratic expression into a pair of linear expressions is one of the primary methods used to solve quadratic equations. In the previous lecture, we introduced a method for factoring quadratics using a trial and error process...
Why U
Algebra 24 - Standard Form
The standard form of the equation for a line Ax + By = C can describe any line in the Cartesian plane, including vertical lines. The constants A, B and C have no special meaning, but in combination they tell us many things about the...
Curated Video
Solving Equations with Variables on Both Sides: Collecting Like Terms
In this lesson, students will learn how to solve equations with variables on both sides by using inverse operations to collect like terms. They will understand the concept of combining like terms and isolating the variable to find the...
Why U
Algebra 64 - Quadratic Functions and Polynomials
In this lecture, quadratic functions are introduced. We show that a quadratic may be a monomial, binomial, or trinomial, and that the graph of a quadratic function in a single variable is always a parabola. Quadratic functions are one...
Curated Video
Solving Equations by Combining Like Terms
In this video, the teacher explains how to solve equations with multiple terms by combining like terms. They use the analogy of a scale to illustrate the concept of equality and demonstrate the properties of equality that allow you to...
AFP News Agency
CLEAN : Myanmar's Rohingya: cornered by poverty stalked by violence
Hemmed in by Myanmar security forces and menaced by abductions and killings Rohingya Muslims in a conflict scarred corner of Rakhine State say fear is one of the few constants in their lives
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 2 Part 1
Sal picks up the pace in this video, going through problems 1-7 on page 774 of The Official SAT Study Guide. Basic algebra, arithmetic, and geometry problems start out this section, allowing students to build up some steam before hitting...
Khan Academy
SAT Prep: Test 6 Section 7 Part 4
Clarifying that speed matters more than rigor on the SAT, Sal takes care to show students the most efficient and easiest ways to solve various math problems. Those who get stuck on certain types of problems would benefit from his...
Khan Academy
SAT Prep: Test 7 Section 8 Part 2
Continuing his SAT review session, Sal explores problems with slopes, linear equations, and congruent angles. He begins problem 10 (geometry) but finishes the problem in the next video.
Curated OER
Constants (2)
Danny the penguin represents a constant and snow represents variables. This clip is wonderful for learners just starting to understand algebra. It is clear, provides concrete examples, and is totally cute. A great idea for expressing...
Khan Academy
Khan Academy: Reactions in Equilibrium
Use this tutorial to explore equilibrium reactions and constants. [14:50]
Other
Neo K12: Which Is the Better Insulator?
Learn about insulators while watching an experiment. Two plastic cups full of water are placed into bowls of liquid nitrogen. Which cup will insulate best?
Study Pug
Study Pug: Characteristics of Polynomials
A polynomial consists of constants, variables, and exponents. Polynomials are named based on the number of terms they have. Watch this brief video introducing polynomials. [0:47]
Khan Academy
Khan Academy: Ap Chemistry: Reactions in Equilibrium
The resource from Khan Academy provides practice questions for the AP Chemistry course. This video lesson explains the concepts of equilibrium reactions and constants.