Question

HELP!!!!!!!!!!!!!!!&$,÷*÷;÷

Answer 1

1. TRUE - anything is symmetric about its axis of symmetry

2. FALSE - they open up or down, depending on the sign of "a"

3. TRUE - the x-coordinate of the vertex is -b/(2a). Its y-coordinate is f(x) at that point.

4. FALSE - for negative "a", the parabola opens downward.