# Answer 10.1-10.3 - 4 e= √ 2/2 F(0 ±√ 2 directrices...

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Answer Keys for Even Numbers \$ 10.1 6. foci are (0, ±√ 5), vertices are (0, ±3) 8. foci are (0, ±√ 5), vertices are (0, ±2), asymptotes are y=±2x 10. p=(3/2), focus is (0, 3/2), directrix is y=-(3/2) 18. x 2 16 + y 2 7 = 1 , c=3, 26. foci: (0, ±4), vertices: (0, ±5), x 2 9 + y 2 25 = 1 36. foci: (±2, 0), asymptotes: y=±(1/ 3)x, x 2 3 y 2 = 1 \$ 10.2

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Unformatted text preview: 4. e= √ 2/2, F(0, ±√ 2), directrices: y=±2 √ 2 12. vertices: (±10, 0), e=0.24, x 2 100 + y 2 94.24 = 1 \$ 10.3 6. hyperbola 10. parabola 18. 3x ′ 2 + y ′ 2 = 2 , ellipse 44. (a) The discriminant indicates this conic is a parabola. (b) y=-3x+2, The curve is a degenerate parabola (i.e., a straight line)....
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Answer 10.1-10.3 - 4 e= √ 2/2 F(0 ±√ 2 directrices...

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