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Equations of a Parabola: Standard to Vertex Form and Back Again
Highlighting the Vertex Form of the equation for a parabola. The equation for a parabola is usually written as: Standard form: where a, b and c are constants. This is the form displayed in both the...
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Using the Binomial Cube in Algebra
Figuring out (a+b)3; with a binomial cube. After working with the hundred-squares, ten-bars, and thousand-cubes to figure out how to add polynomials, we borrowed the binomial and trinomial cubes to...
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Everything You (N)ever Wanted to Know About Parabolas
So that my students could more easily check their answers graphically, I put together a page with a more complete analysis of parabolas (click this link for more details). Analyzing Parabolas Standard...
View ArticleGraphing Polynomials
Try it. You can change the order and coefficients of the polynomial. The default is the second order polynomial: y = x2. I originally started putting together this interactive polynomial app to use in...
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Introducing Polynomials
If you recall, straight lines have a general equation that looks like this: (1) This is called the slope-intercept form of the equation, because m gives the slope, and b tells where the line intercepts...
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