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9
votes
2answers
188 views

Good real-life examples of transformations of function graphs

I am a gradudate student teaching college algebra at a larger state school and transformations of graphs of function, i.e.: given the graph of a function $y =f(x)$, what do the graphs $y = f(x) \pm C$,...
2
votes
3answers
122 views

Easy tool to draw stencils

I'm looking for a simple tool (preferably online or at least that works on Linux) to draw stencils. When teaching and creating notes for students, I often feel that it would make understanding in some ...
4
votes
3answers
109 views

What tools are available for creating visual aids?

I would like to create some visual aids for illustrating principles in statistics, similar to the kind of graphic found here: https://en.wikipedia.org/wiki/Linear_regression#/media/File:Anscombe%...
8
votes
4answers
216 views

Shifting function graphs: writing vertical offset on the y-side?

Students tend to mix up signs when shifting function graphs around: consider $y=x^2$. To shift it one unit upwards ("increasing $y$"), you write $y=x^2+1$, to shift it to the right ("increasing $x$"), ...
3
votes
1answer
106 views

Dissemination of mistakes in international texts such as the IGCSE

I started tutoring IGCSE Mathematics. In preparation for just a 1 hour class for 1 student, I noticed at least 3 mistakes (confirmed with their replies to me) in Chapter 21 of the Haese 0607 book (...
4
votes
3answers
153 views

Are there any good exercises on point-slope form of a linear equation by itself?

Let's say we're running a basic algebra course and we're committed to showing proofs of everything we reasonably can. The development of equations of lines seems most straightforward in this sequence: ...
5
votes
3answers
178 views

Animation of graphing a function

Do anybody have a program which shows a computer graphing a function pointwise in stages? For example: At stage 1, it graphs all the integer x values Stage 2, all the multiples of 1/2 Stage 3, all ...
6
votes
3answers
100 views

Solid of revolution simulator?

I'm searching for an offline portable program that demonstrates the concept of how does a function revolve around X or Y axis It should be similar to this: Solid of revolution simulator but I want to ...
9
votes
3answers
273 views

Teaching Asymptotes

Yes, I've read a number of definitions In analytic geometry, an asymptote of a curve is a line such that the distance between the curve and the line approaches zero as they tend to infinity. ...
10
votes
4answers
421 views

Is there any advantage of plotting graphs using traditional paper and pencil method?

Why don't we discard the traditional pencil and paper method of graph plotting in high schools and for freshers at colleges since there are many electronic devices doing the graphing? And please where ...
1
vote
0answers
26 views

Environment for Applet development

I am interested in creating an applet to illustrate how polar graphs get formed. I was able to make some videos of what I envision using Interactive Physics. But they are not really interactive once ...
4
votes
1answer
87 views

looking for good and clear examples about graph theory apllied to scheduling [closed]

I´m looking for some good and clear example/s about using graph theory in scheduling. (I´m interested in good books/web/PDF in this way) My target is to show the utility of graph theory to some ...
6
votes
1answer
59 views

Good learning resources on what kinds of propositional information one can communicate through graphs?

I am taking an Economics class. We are required to plot and interpret 2D graphs. But often we have to use oddly shaped functions or have additional constraints we have to impose that make interpreting ...
10
votes
6answers
529 views

Graphing functions from a finite field to itself

I have been teaching a ring theory course this semester, focusing on modular arithmetic and quotient rings of polynomials over fields. Several students have asked me how one could graph functions ...