Category Archives: Factoring, Roots

Finding Difficult Limits

Posted on November 18, 2009 by eric

Limits are a subject that can easily confuse a student. In this pencast I solve a problem involving a particularly difficult limit equation find difficult limitbrought to you by Livescribe

Posted in Algebraic Expressions, Calculus, Factoring, Roots, Pencast | Tagged | 1 Comment

Evaluate the Limit of a Function… as it Approaches Infinity

Posted on September 26, 2009 by eric

In a previous pencast, I evaluate the limit of a function as it approaches a particular point. But what about evaluating the limit of a function as you move along the x-axis toward infinity? Holes exist as points on a … Continue reading →

Posted in Factoring, Roots, Pencast, Plotting, Graphs | Tagged , , , , , | 3 Comments

Finding Intercepts

Posted on September 10, 2009 by dhoffoss

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 , , | 1 Comment

Completing the Square

Posted on September 10, 2009 by dhoffoss

WHen you hear ‘complete the square’ in your math class, do you fill with horror and dread? Well the idea is not really all that complicated. It is just to write a quadratic equation as the sum of something squared … Continue reading →

Posted in Algorithms, College Algebra, Factoring, Roots, Pencast, Polynomial Algebra | Tagged , , | 1 Comment