Question

Does y=(x-3)2 open up or down

Answer 1

Answer: Up

The parabola opens upward because it is in the form y = a(x-h)^2 + k

The value of 'a' is a = 1, which is positive. Whenever a > 0, the parabola opens upward. If a < 0, then the parabola would open downward.

Answer 2

It opens up and it becomes an lower case