Find the direction the parabola opens, the coordinates of the vertex, the equation of the axis of symmetry and draw the graph.x = y2 - 2y - 6
A. 
opens down; vertex (-1, -5);
axis of symmetry x = -1
B. 
opens right; vertex (-7, -1);
axis of symmetry y = -1
C. 
opens up; vertex (1, -7);
axis of symmetry x = 1
D. 
opens right; vertex (-7, 1);
axis of symmetry y = 1
Answer: D
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