Please assist me with these problems and show the work.
1. Vertex(-4, -3), Directrix: y = -25/8
2. Vertex (-8, -7), Directrix: y = -25/4
3. Focus: (7, 1/2), Directrix: y = 3/2
4. Focus: (1/2, 10), Directrix: x = 3/4
5. Focus: (-31/4, 2), Directrix: x = -33/4
6. Focus: (-9, 57/8), Directrix: y = 55/8

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