calculus
find the vertex,focus, direction of the parabola. use a graphing utility to graphthe parabola:
1) x^2-2x+8y+9=0
2) y^2-4y-4y=0
3) x=1/4(y^2+2y+33)
4)(x+1/2)^2=4(y-1)
5) y= 1/4(x^2-2x+5)
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Answers
1) Vertex: (1, -2); Focus: (1, -2); Direction: Upwards 2) Vertex: (0, 2); Focus: (0, 4); Direction: Downwards 3) Vertex: (1, -8); Focus: (1, -6); Direction: Upwards 4) Vertex: (-1/2, 1); Focus: (1, 1); Direction: Rightwards 5) Vertex: (-2/4, 5/4); Focus: (-2/4, 3/2); Direction: Upwards
