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1432EMCF 09

# 1432EMCF 09 - B ellipse C circle D hyperbola E point 7...

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EMCF 09 Due 10/7 at 2:00 pm Log into CourseWare at http://www.casa.uh.edu and access the answer sheet by clicking on the EMCF tab. NOTE: On all problems, choice F is “None of the above”. 1. Describe the curve: r = 6 cos θ. A. A circle left of the origin B. A circle above the origin C. A circle right of the origin D. A circle below the origin E. A circle centered at the origin 2. What is the radius of the circle: r = 12 cos θ? A. 12 B. 24 C. 6 D. 1 E. 4 3. How many petals does the rose r = 4 sin 3 θ have? 4. Describe the curve: r = 8 + 4 cos θ A. Limacon with inner loop B. Cardioid C. Limacon with no loop D. Circle at the origin E. Circle on the x axis

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5. Find the rectangular coordinates of (4, π /4). 6. Describe the curve: cos 8 r 5 6 θ =
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Unformatted text preview: B. ellipse C. circle D. hyperbola E. point 7. Describe the curve: cos 9 r 4 3 = + A. parabola B. ellipse C. circle D. hyperbola E. point -3π/2-π-π/2 π/2 π 3π/2-2-1 1 2 3 4 5 6 x y-3π/2-π-π/2 π/2 π 3π/2-4-3-2-1 1 2 3 4 x y-3π/2-π-π/2 π/2 π 3π/2-4-3-2-1 1 2 3 4 x y-3π/2-π-π/2 π/2 π 3π/2-4-3-2-1 1 2 3 4 x y 8. Describe the curve: r = 3 + 7 cos θ A. Limacon with inner loop B. Cardioid C. Limacon with no loop D. Circle at the origin E. Circle on the x axis 9. Which of the following polar coordinate pairs does NOT represent the point with rectangular coordinates ( 29 , 2 2- -? A. ( 29 , 2 2 135-° B. ( 29 , 2 2 225 ° C. ( 29 , 2 2 315--° D. ( 29 , 2 2 45-° E. ( 29 , 2 2 135-° 10. Which is the graph of ( 29 sin y 2x π = + ? The tick marks on the x axis are at multiples of 2 . A. B. C. D....
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1432EMCF 09 - B ellipse C circle D hyperbola E point 7...

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