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Instructional Video5:02
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\n\"Example\n\n
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\nExample 1: Factoring Trinomials with a Common Factor, Algebra II\n

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\n\nFor Students\n\n9th - 11th\n
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\nUse division and factoring to determine the leading one coefficient. This presentation thoroughly explains how to factor a trinomial to determine its common factors.\n
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Instructional Video7:21
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\n\"Exponential\n\n
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\nExponential Growth and Decay Word Problems, Algebra II |\n

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\nConcepts from the last few videos, particularly exponential growth and decay functions, are covered in this video about word problems. Viewers can apply their new (or growing) algebraic knowledge to solve the word problems along with Sal.\n
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Instructional Video4:52
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\n\"Multiplying\n\n
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\nKhan Academy\n
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\nMultiplying and Dividing Rational Expressions 2, Algebra II\n

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\n\nFor Students\n\n7th - 11th\n
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\nProvide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to demonstrate the process, and his explanations are clear and easy to follow.\n
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Instructional Video4:08
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\n\"Solving\n\n
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\nSolving Rational Equations 2, Polynomial and Rational Functions, Algebra II\n

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\nThis video focuses on rational expressions and completes Sal's lecture series on working with and solving this particular type of equation. Its length would be ideal for a computer lab visit or homework assignment (in conjunction with a...\n
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Instructional Video11:03
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\n\"Solving\n\n
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\nSolving Quadratic Equations by Square Roots, Algebra II\n

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\nIntroducing square roots into the quadratic equation mix, Sal addresses the ways viewers might solve the problems, both correctly and incorrectly. The video is an integral step in not only Sal's algebra series but also in developing math...\n
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Instructional Video14:06
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\n\"Solving\n\n
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\nSolving Quadratic Equations by Completing the Square, Algebra II\n

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\n\"The neat thing about completing the square is that it will always work,\" Sal explains, \"no matter how crazy the problem is.\" This video provides a basic overview of how to complete the square and provides a good background for both...\n
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Instructional Video16:00
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\n\"More\n\n
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\nMore Examples of Addition and Subtraction of Polynomials, Algebra II\n

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\nThough they \" sound like a really fancy word,\" polynomials prove to be no match for Sal's mathematical skills. After defining the term and providing a few examples, Sal works through a few equations that add or subtract polynomials,...\n
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Instructional Video16:30
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\nMore Examples of Factoring Quadratics with a Leading Coefficient of 1, Algebra II\n

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\nFocusing on the intuitive nature of algebra and factoring, Sal demonstrates how to factor quadratic equations efficiently. This video would be great to show in class after a lecture on quadratics or to assign in a computer lab (or...\n
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Instructional Video8:05
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\nVi and Sal Talk About the Mysteries of Benford's Law, Logarithms, Algebra II\n

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\nChallenge your students to explain why this interesting mathematical law works! Sal, accompanied by Vi Hart, demonstrates BenfordÕs Law. They challenge the listeners to see if they can intuitively explain why this law fairly accurately...\n
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Instructional Video9:11
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\n\"Identifying\n\n
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\nIdentifying an Ellipse from Equation, Conic Sections, Algebra II\n

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\nAfter watching this video, you should be able to write an equation of a conic section in standard form and identify the conic section from its equation. In an example problem, Sal reviews how to complete the square and graph an ellipse...\n
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Instructional Video3:38
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\n\"Multiplying\n\n
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\nKhan Academy\n
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\nMultiplying and Dividing Rational Expressions 1, Algebra II\n

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\n\nFor Students\n\n8th - 11th\n
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\nProvide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to show viewers the process, and his explanations are clear and easy to understand.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video8:05
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\n\"Vi\n\n
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\nKhan Academy\n
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\nVi and Sal Talk About the Mysteries of Benford's Law, Logarithms, Algebra II\n

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\n\nFor Students\n\n10th - 12th\n
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\nChallenge your students to explain why this interesting mathematical law works! Sal, accompanied by Vi Hart, demonstrates BenfordÕs Law. They challenge the listeners to see if they can give an intuitive reason why this law fairly...\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video9:54
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\n\"Direct\n\n
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\nDirect and Inverse Variation, Rational Expressions, Algebra II\n

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\nIn this overview video of direct and inverse variation, Sal shows the general form of each equation and its differences. The listener gains an intuitive understanding of the differences by highlighting how the x and y values vary with...\n
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Instructional Video9:11
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\n\"Identifying\n\n
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\nIdentifying an Ellipse From Equation, Conic Sections, Algebra II\n

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\n\nFor Students\n\n10th - 12th\n
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\nAfter watching this video, you should be able to write an equation for a conic section in standard form and identify the conic section from its equation. In an example problem, Sal reviews how to complete the square and graph an ellipse...\n
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Instructional Video3:38
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\n\"Multiplying\n\n
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\nKhan Academy\n
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\nMultiplying and Dividing Rational Expressions 1, Algebra II\n

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\n\nFor Students\n\n8th - 11th\n\nStandards\n
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\nProvide your algebra class with some review of rational expressions in this video. Sal uses several sample problems to show viewers the process, and his explanations are clear and easy to understand.\n
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\n\nGet Free Access\n\nSee Review\n
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Instructional Video2:36
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\n\"The\n\n
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\nThe Parts of Polynomial Expressions, Polynomial and Rational Functions, Algebra II\n

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\n\nFor Students\n\n7th - 9th\n
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\nUse this video to build mathematical vocabulary through practical application. Sal breaks down the parts of a polynomial expression, identifying the coefficient and exponents while he defines them.\n
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Instructional Video5:36
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\n\"Introduction\n\n
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\nIntroduction to Graphing Systems of Linear Inequalities, Algebra II\n

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\nIf your class has a grasp on the concept of graphing systems of equations and has worked with inequalities, then it's time to expose them to the wonders of graphing systems of inequalities. Using various colors and a graph, Sal explains...\n
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Instructional Video5:29
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\n\"Consistent\n\n
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\nConsistent and Inconsistent Systems, Algebra II\n

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\nFirst, Sal defines consistent and inconsistent equations. He then evaluates a system of linear equations to determine if they are consistent or not. This resource isobviousr and would be a wonderful video to show before a test or at an...\n
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Instructional Video7:00
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\n\"Systems\n\n
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\nSystems of Three Variables 2, Systems of Equations and Inequalities, Algebra II\n

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\n\nFor Students\n\n10th - 12th\n
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\nSal uses the elimination method to simplify a system of three variables. Next, he employs the substitution method to check his solution. This resource would nicely complement any lesson on this topic.\n
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Instructional Video8:20
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\n\"Another\n\n
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\nAnother Rational Function Graph Example, Algebra II\n

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\n\nFor Students\n\n8th - 11th\n
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\nExtending his asymptotes lesson from the previous video, Sal shows viewers another example of graphing rational functions. This video is shorter than the previous one and could be shown in a single class session.\n
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Instructional Video15:01
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\n\"Graphs\n\n
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\nGraphs of Square-Root Functions, Functions and Their Graphs, Algebra II\n

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\n\nFor Students\n\n8th - 11th\n
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\nThough Sal expects viewers to be \"reasonably familiar\" with square roots, he takes this opportunity to explain some of the notation and how to graph square root functions. He uses a graphing calculator from my.hrw.com/math06 to...\n
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Instructional Video11:34
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\n\"Identifying\n\n
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\nIdentifying Circles and Parabolas from Equations, Conic Sections, Algebra II\n

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\n\nFor Students\n\n10th - 12th\n
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\nThis is the last of three well-done videos on identifying and graphing conic sections from an equation. Here, Sal graphs a circle that is not centered at the origin and a parabola that opens downward.\n
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Instructional Video4:08
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\n\"Connection\n\n
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\nConnection Between Even and Odd Numbers and Functions, Algebra II\n

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\n\nFor Students\n\n9th - 12th\n
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\nAre odd numbers connected to odd functions and even numbers to even functions? This video tries to clarify that connection. It also discusses functions that are neither odd nor even to help you classify them more intuitively.\n
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Instructional Video9:59
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\n\"Domain\n\n
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\nDomain of a Function, Functions and their Graphs, Algebra II\n

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\nWe look at several examples of functions and see their domain. Sal writes the domain in set notion and shows how different functions can have different input values that cause the function to be undefined.\n
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