ELI5: Explain Like I'm 5

Algebraic curve

An algebraic curve is like a drawing made by a very special kind of math. A curve is just a line that might be very wiggly or very straight or somewhere in between. And this special math can tell us all about the shape of the line!

To start, think about a math problem you might know: 2 + 2 = 4. In algebraic curves, we use letters instead of numbers, like x and y. So we might have a problem like x + y = 4. If we plot all the points that satisfy this equation (which just means make the problem true), we get a straight line.

But algebraic curves can get more complicated than just straight lines. Maybe we have an equation like this:

x^2 + y^2 = 1.

This is saying that for any value of x and y that make the equation true, those values will lie on the circle of radius 1 centered at the origin (0,0).

We could also have wiggly lines or parabolas or any other kind of shape! And the cool thing is, we can use algebra to describe them all.

So an algebraic curve is a way of using letters and mathematical symbols to describe any kind of line or shape we can imagine. And we can use this math to study really interesting things, like how different shapes interact with each other or how we can use them to solve real-world problems!