Graph the quadratic equation. Identify the vertex and the intercept points with their coordinates.y = x2 - 1

Question

A. Vertex: (0, -1);
x-intercepts: (-1, 0) and (1, 0);
y-intercept: (0, -1)

B. Vertex: (0, -1);
x-intercepts: none; 
y-intercept: (0, -1)

C. Vertex: (-1, 0);
x-intercept: (-1, 0); 
y-intercept: (0, 1)

D. Vertex: (0, 1);
x-intercepts: none; 
y-intercept: (0, 1)

Answer 1

Answer: A