Question

Y=-2/3x^2

State the following
Domain
Range
Vertex
Axis of symmetry
Vertex minimum/maximum

Is y=-2/3x^2 wider or narrower than y=x^2

Cant use a calc

Answer 1

hello :
Y=-2/3x^2
(color bleue)
Domain : R
Range : , ]-∞ ; 0 ]
Vertex : O(0 ; 0)
Axis of symmetry : y
Vertex: maximum

Is y=-2/3x^2 wider or narrower than y=x^2 (color : red)