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2.3 Quadratic Equations in One Variable Part 1
By Tammy B
Solve quadratic equations in one variable.
Solving Quadratic Equations in one Variable by Factoring
By Victoriamiles
Solve quadratic equations in one variable.
Finding One Variable Statistics With a Graphing Calculator
By YouTube (Firm)
This quick YouTube video from high school statistics teacher Roger W. Davis explains how to find one variable statistics using the TI-84 graphing calculator. The demonstration goes through three steps: entering the data, finding one variable statistics using the STAT menu, and interpreting the results. The data created includes mean, sum, median and more. Flash player is required to view this video, and the running time for the clip is 3:12.
Understanding inequalities and equations
By MathPlanetVideos
Margaret is paying $1,500 in rent for her apartment every month. Margaret won $12,000 in Vegas and wondering how many rent she can afford to pay with this winning?
Reasoning with Equations and Inequalities
By Khan Academy
Sal solves the equation 4x^2+40x-300=0 by completing the square.265
Modeling with one-variable equations and inequalities
By Khan Academy
Sal models a context that concerns the number and price of pizza slices. The model turns out to be a rational equation.
Modeling with one-variable equations and inequalities
By Khan Academy
Sal models a context that concerns a candy vending machine. The model turns out to be a quadratic inequality.
Modeling with one-variable equations and inequalities
By Khan Academy
Sal models a context that concerns a bank savings account. The model turns out to be an exponential equation.
Absolute value inequalities | Linear equations | Algebra I | Khan Academy
By Khan Academy
This video lecture series on Worked Examples in Algebra from Khan Academy includes Solving Equations, Solving Word Problems, Solving for a variable, Absolute Value and Number Lines, Patterns in Sequences, Functional Relationships, Domain and Range, Rate Problems, Linear Functions, Slope of a Line, X and Y intercepts, Equation of a Line, Parallel Lines, Perpendicular Lines, Solving Inequalities and more...
Algebra Basics: What Is Algebra? - Math Antics
By Lumos Learning
This video gives an overview of Algebra and introduces the concepts of unknown values and variables. It also explains that multiplication is implicit in Algebra.
Extraneous solutions to radical equations
By Khan Academy
Sal explains what square-root equations are, and shows an example of solving such an equation and checking for extraneous solutions.
DEPRECATED Extraneous solutions to rational equations
By Khan Academy
Sal solves the following equation and eliminates the resulting extraneous solution: (x^2)/(x+2)=4/(x+2).
Add and subtract polynomials with one variable
By Khan Academy
Sal simplifies (x^3 + 3x - 6) + (-2x^2 + x - 2) - (3x - 4).
Add and subtract polynomials with one variable
By Khan Academy
Sal analyzes a polynomial subtraction process to find the step that has an error.