I.Problem Solving.1. What is the center and radius of the circle x? + (y + 3)² = 7?2. Find the diameter and area of the circle x2 + y? = 49.3. What is the equation of the circle through the x-intercept of 5x – 8y = -10and center at (5, 1)?4. What is the standard equation of circle x2 + y2 – 2x + 4y + 1 = 0?5. Find the vertex and focus of the parabola y? = 24x.6. What is the standard equation of the parabola x2 -8x – y + 3 = 0?7. What is the equation of a parabola with vertex at (2, –5) and focus at (0, –5)?8. Identify the center and foci of the ellipse x? + 4y? = 12.9. What is the standard equation of the ellipse with center at the origin, foci at(-6, 0) and (6, 0)?10. Identify the standard equation of an ellipse with center at (3, 2), focus at(3, 5) and vertex at (3, 6).

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1. What is the center and radius of the circle x² + (y + 3)² = 7? 2. Find the diameter and area of the circle x2 + y? = 49. 3. What is the equation of the circle through the x-intercept of 5x – 8y = -10 and center at (5, 1)? 4. What is the standard equation of circle x? + y2 – 2x + 4y + 1 = 0? 5. Find the vertex and focus of the parabola y2 = 24x.