Now, h = -b/2a. Plug in the values into the formula, and you get: The parabola's axis of symmetry (x = h) is a vertical line passing through the vertex, so as demonstrated above, this is x = 1.

Symmetry is when one side of a shape is a mirror image of the other side. Lots of buildings and everyday objects use symmetry because it looks appealing to the human eye. Watch the video below ...

He’s won so many medals he can barely stand up. But there is one medal he's yet to win. The Symmetry Medal. It’s better than all the others because it’s made of chocolate. To win the ...