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it's -41/8 i believe
The y-coordinate is -41/8, not -41/50.
So helpful!
Yyyyeeeesssss
9 - 50 = -41/50.And this is why you just read the book.
![Why is the Axis of Symmetry x = -B/2A? [proof]](http://i.ytimg.com/vi/0F2-SjflGWQ/mqdefault.jpg)
it's -41/8 i believe
The y-coordinate is -41/8, not -41/50.
So helpful!
Yyyyeeeesssss
9 - 50 = -41/50.
And this is why you just read the book.