Graphs Explained
Basic Transformations of Graphs: Translations
Given a sketch of y = f(x), does y = f(x-3) then correspond to a shift to the left or to the right of that graph? Here’s how to deal with such basic graph transformations with ease.
The Graph of an Inverse Function is a Reflection
Why is the graph of an inverse function just a reflection of the graph of the original function about the diagonal line y = x? The answer is social convention - not mathematics! In this video I explain!
Graphing Complex Numbers
In this video we give a very brief description of the mechanics to plotting complex numbers on a plane. Sounds dreary, but the motivation I offer that leads up to it is not! That’s the interesting part.
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
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