algeba quick test thanks

What is the vertex of the parabola?

A coordinate plane with a parabola, or U-shape graph that opens up. The minimum value of the graph is the point (1, negative 4). The graph crosses the x axis at (negative 1, 0) and (1, 0) and the y-intercept is (0, negative 3).

 
(1 point)

2. 

Which of the following has a graph that is wider than the graph of y = 3x² + 2?

 (1 point)

Which graph represents the function 
y = –2
x² – 5?

 
(1 point)

4. 

What is the order, from narrowest to widest graph, of the quadratic functions f(x) = –10x², f(x) = 2x², f(x) = 0.5x²

 (1 point)