Question

The parabola passes through coordinates left parenthesis 3 comma 0 right parenthesis and left parenthesis 7 comma 0 right parenthesis. The vertex has coordinates left parenthesis 5 comma negative 4 right parenthesis.


A swimmer’s dive is modeled in the graph, in which x is the distance from the pool’s front wall and y is the swimmer’s vertical position. How deep was the swimmer’s dive?

(1 point)
The swimmer’s dive was
units deep.

Answer 1

4

The vertex y-value is -4, so the swimmer went 4 units below the surface (y = 0).