Question #2e63a

1 Answer
A. S. Adikesavan ยท Tony B
Jun 24, 2016

Referring to the same frame, the second y = x^2 graph is the parabola with vertex at O, axis along y-axis and focus at (0, 1/4). The 1st y=x^2-3 graph is this brought down, by 3 units,

Explanation:

Referring to the same frame of axes, for both the graphs, the second

y = x^2 graph is the parabola with vertex at O, axis along y-axis

and focus at (0, 1/4). The graph for the first parabola y=x^2-3 is

obtained by moving the second down, by 3 units,

The parabolas are of the same size a = 1/4. They are coaxial,

along y-axis, upwards..

The vertex of the first y+3= x^2 is at (0, -3) and its focus is at
(0, -11/4).

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