It reaches its highest value when x = 0. At that point, y= -1. That is the vertex.
It is an "upside down" parabola.
im totally lost with my homework
this is all gibberish to me.
What are the coordinates of the vertex of the graph of the quadratic function
y= -x^2 -1?
A.(0,-1)
B.(0,2)
C.(-1,-1)
D.(-1,0)
1 answer