The bottom part is a graph of the equation, which, as you can see, is exactly the same. To be fair, this equation cheats a little bit. You may notice that the y-axis of that graph begins at ‘k’.

Math equations can feel like a banal abstraction without images to make sense of the strings of numbers, letters, and Greek symbols. Consider the Pythagorean theorem, an essential relation in ...

In Module 7 (M7) Graphs, you learned that simultaneous equations, where one of the graphs is quadratic and the other is a straight line, can be solved by reading the points of intersection.. For ...

Worse, I had a primitive graphing calc in my bag that I wasn't allowed to use. Any graphing calculator will let you input an equation and show you the result. Casio's Prizm does this in reverse.