A value that "lies outside" (is much smaller or larger than) most of the other values in a set of data.
For example in the scores 25,29,3,32,85,33,27,28 both 3 and 85 are "outliers".
Whats the question? You just pit a sentence
Vertex = (1,4)
Axis of symmetry is x = 1, (1,0) or just 1
<span />