1. Find the value of a so that the distance between points with coordinates (2, 5) and (-6, a) is 10 units. A. or 11 B. 11 only C. 1 only D. 1 or 11 Hint 2. The parabola with equation x = -2y2 + 3y - 5 opens _____. A. downward B. upward C. left D. right Hint 3. Which is the graph of x = -y2 + 8y - 14? A. B. C. D. Hint 4. Find the radius of a circle with the equation x2 + y2 + 6x - 10y + 28 = 0. A. 6 B. 5 C. 3 D. Hint 5. Find the coordinates of the foci of an ellipse with equation A. B. C. D. Hint 6. Find the length of the minor axis of an ellipse with equation 5x2 + 3y2 + 10x - 18y + 17 = 0. A. B. C. D. Hint 7. Find the slopes of the asymptotes of the hyperbola with equation 3x2 - y2 - 18x - 2y + 20 = 0. A. B. C. D. Hint 8. The graph of the equation -x2 + 4y2 - 10x - 8y - 29 = 0 is a(n) _____. A. hyperbola B. ellipse C. circle D. parabola Hint 9. Which point is closest to the midpoint of (2, 3) and (6, -1)? A. (2, 3) B. (5, 4) C. (6, -1) D. (3, -1) Hint 10. What is an equation for a circle if the endpoints of a diameter are at (3, 4) and (-3, -2)? A. B. C. D. Hint 11. What is the equation of the hyperbola whose vertices are at (2, -9) and (2, 7), and whose foci are at (2, -11) and (2, 9)? A. B. C. D. Hint 12. Write the standard form equation of and identify the conic section. A. parabola B. hyperbola C. , ellipse D. circle Hint 13. Solve the system . A. B. C. D. Hint 14. Solve the system A. B. C. D. Hint