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Category Archives: Lines
Sketch the Graph of a Quadratic Function
Using transformations can save a lot of time. The next time you want to rush to graph a function using your calculator, STOP! The answer is often right in front of you. Use transformations to sketch a quadratic equation, starting … Continue reading
Posted in Lines, Pencast, Plotting, Graphs
Tagged graph, quadratic function, transformations
1 Comment
More Equations of Lines
Loot at the title! Writing Equations of Linesbrought to you by Livescribe
Why Lines, Anyway?
Diane gives the skinny on why we’d like to learn about lines in the first place. Overview of Linesbrought to you by Livescribe
What is a Line, Really?
Diane helps us to get a better understanding of what a line really is! Listen and Learn. What is a line?brought to you by Livescribe
Getting the Equation of a Line from its Graph
The title says it all. Here, Diane helps us to understand the connection between the geometric and algebraic view of lines. Graph of Line -> Equation of Linebrought to you by Livescribe
Graphing a Line From Its Equation
Graphing a line from its equation is always a nice thing to do. Diane gives it to us the easy way here. Graphing a Line Given It’s Equationbrought to you by Livescribe
Point Slope form for a Line
This pencast, Eric describes how to write the point slope form for a line. If you are studying caculus, this is the one you really need to learn, since the derivative gives us the slope of a function at a … Continue reading
Posted in College Algebra, Linear Functions, Lines, Pencast
Tagged Eric, lines, Pt-Slope Form, slope
4 Comments
Finding the Slope of a Line Expressed in Standard Form
Often when we are doing calculus, we have to find the slope of a line. I mean, the line that is tangent to a curve or function is the best estimator of that function when you are really close to … Continue reading
Posted in College Algebra, Linear Equations, Linear Functions, Lines, Media, Pencast
Tagged lines, slope, standard form
2 Comments
Finding Intercepts
Forget everything you know about rules for finding intercepts! If you can’t remember where the rule came from then it is wrong from the get go! Instead, work toward understanding the graphical nature of what an intercept is, and how … Continue reading
Posted in College Algebra, Factoring, Roots, Linear Equations, Linear Functions, Lines, Media, Pencast, Plotting, Graphs
Tagged intercepts, lines, roots
1 Comment
