Let's try to draw a few parabolas with Dan Meyer's help. Gravity makes those all the time. Now it is your turn.
A little more obvious, isn’t it? And like that, we’ve derived (That's the wrong word) illustrated (better) the fact that, while one point is enough to define a point, and while two points are enough to define a line, you need three points to define a parabola.
If Dan Meyer is 6 feet tall, how high did the basketball go?
If Dan Meyer is 6 feet tall, how high did the basketball go?