Review the following concepts if needed:
Conic Sections Practice Test

What is the directrix for the parabola ( y + 1) ^{2} = −6( x − 3)?

What is the focus for the parabola ( y + 1) ^{2} = −6( x − 3)?

What are the vertices for the ellipse
(a) (−2,2) and (4,2)
(b) (−4,2) and (6,2)
(c) (1,−3) and (1,7)
(d) (1,−1) and (1,5)

What are the foci for the ellipse
(a) (−3,2) and (5,2)
(c) (1,−2) and (1,6)

Which line is an asymptote for the hyperbola
(a) y = 2 x − 11
(b) y = − 2 x − 9

Solve for y .

What is the center and radius for the circle ( x + 3) ^{2} + ( y −4) ^{2} = 9?
(a) The center is (−3, 4), and the radius is 81.
(b) The center is (−3,4), and the radius is 3.
(c) The center is (3, −4), and the radius is 81.
(d) The center is (3, −4), and the radius is 3.

The graph in Figure 12.31 is the graph of which equation?
(a) y ^{2} = 4 x
(b) y ^{2} = −4 x
(c) x ^{2} = −4 y
(d) x ^{2} = 4 y

Find an equation of the ellipse with vertices (8, −6) and (8,4) with a focus at (8,2).

Which equation is the equation of a hyperbola with center (1,0) and with asymptote y = 2 x −2?

The graph in Figure 12.32 is the graph of which equation?
Solutions
 B
 A
 C
 C
 A
 A
 B
 D
 A
 D
 D
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