Khan Academy
Khan Academy: Algebra: Solving Quadratic Equations by Square Roots
Video shows how to solve a quadratics in a certain form by isolating the squared term and taking the square root of both sides. Examples help lead into solving quadratics by completing the square. [11:03]
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Khan Academy: Algebra: Linear Equations in Slope Intercept Form
This video includes several sample problems that involve finding the equation of a line in slope-intercept form. This video is also found in the strand Algebra: ck12.org. [14:58]
Khan Academy
Khan Academy: Algebra: One Step Equations
This video demonstrates on how to solve a one step equation involving addition, subtraction, multiplication, and division. There are six sample problems that include positive and negative integers, fractions, and decimals. Practice...
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Khan Academy: Algebra: The Coordinate Plane
This video demonstrates how to identify the ordered pair of a point graphed on the coordinate plane and how to graph a point when given the ordered pair. It also goes a step further and demonstrates how to graph a geometric figure based...
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Khan Academy: Algebra: Asymptotes of Rational Functions
Video explains what asymptotes are and demonstrates how to determine the asymptotes of rational functions. Includes rules for horizontal asymptotes based on the highest power of the numerator and denominator of the rational function....
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Khan Academy: Algebra: Variable Expressions
Video shows how to simplify expressions showing multiplication and how to write products with variables without multiplication signs. Also shows how to evaluate expressions by substituting in specific variable values. [12:26]
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Khan Academy: Algebra: Linear Equations in Standard Form
This video demonstrates how to take linear equations written in either slope-intercept form or point-slope form and rewrite them in standard form of a linear equation. Right-click on the square at the bottom right for a full-screen view....
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Khan Academy: Algebra: Scientific Notation
Video shows examples of converting numbers from scientific notation to their numerical value. Also shows writing numerical values in scientific notation. [11:26]
Khan Academy
Khan Academy: Algebra: Addition of Rational Numbers
Video shows examples of adding fractions with like and unlike denominators. Includes a word problem example involving adding fractions. [7:40]
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Khan Academy: Algebra: Using the Quadratic Formula
Video shows how to use the quadratic formula to solve quadratic equations. The solutions to one example are verified by graphing the associated quadratic function. Includes link to additional practice problems. [16:32]
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Khan Academy: Algebra: Fitting a Line to Data
This video utilizes Microsoft Excel to demonstrate how to plot data in the form of a scatter plot and then create a line of best fit. It also shows how to make a prediction based on the linear progression of the data. The software does...
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Khan Academy: Algebra: Geometric Sequences (Introduction)
Video introduces geometric sequences explaining what they are and giving examples. Explains what the common ratio is and shows examples using it to write a geometric sequence. Gives example of word problem involving a geometric sequence...
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Khan Academy: Algebra: Histograms
Video shows example of creating a histogram for data by first creating a frequency table. [6:08]
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Khan Academy: Algebra: Exponential Growth Functions
Video shows creating a table of values and graph for an exponential growth function to demonstrate how fast it grows. Gives a real world example involving chain letters. [7:41]
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Khan Academy: Algebra: Word Problem Solving Exponential Growth and Decay
Video shows two examples of working with word problems involving exponential growth and decay. [7:21]