Parabolas
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1. State the key features (vertex, focus, directrix, direction of opening, and axis of symmetry) of each parabola, and sketch the graph.
a) ysquared-2x+4y-7=0
2. Find the equation of each parabola.
a) parabola with focus (-2,-1) and directrix y=5
b) ysquared=-6x translated according to ((x,y)arrow(x-2, y+4)
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