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WebAssign Appendix Appendix B (Homework) MACE JOHN RANDALL MA 141, section 007, Fall 2008 Instructor: Kyle Thompson
Current Score: 15 out of 15 Due: Thursday, September 11, 2008 10:00 PM EDT Description Coordinate Geometry
The due date for this assignment is past. Your work can be viewed below, but no changes can be made. 1. [SCalcCC2 B.14.] 1/1 points Find an equation of the line that satisfies the given conditions. Through (-1, -2) and (8, 7) y = x-1 1*(x - 8) + 7
2. [SCalcCC2 B.22.] 1/1 points Find an equation of the line that satisfies the given conditions. y-intercept 6, parallel to the line 4x + 5y + 6 = 0 y = (-4/5)x+6 (-4/5)x + 6
3. 13/13 points Make a good sketch of the graphs and answer the questions about each. (a) This is a(n): ellipse hyperbola
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Appendix B
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It is centered at what point? 0 ,0 0) (0 Identify the vertices. (Select all that apply.) (2,0) (1,2) (-1,0) (1,0) (0,-2) (0,-1) (0,2) (-2,0) (0,1)
Identify the asymptote(s). (Select all that apply.) y = 2x y = -2x y=x y = -x y = (1/2)x none of these
(b) This is a(n): ellipse hyperbola
It is centered at what point? ( -2 -2 , 0 0) Identify the vertices. all (Select that apply.) (-1,-2) (1,0) (-2,1) (0,1) (0,5)
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Appendix B
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(-5,0) (-2,-1) (1,-2) (0,-5) (1,2)
Identify the asymptote(s). (Select all that apply.) y = 5x y = (5/2)x y = 2x y = (2/5)x y = (1/5)x none of these
(c) This is a(n): ellipse hyperbola
It is centered at what point? (0 0 ,0 0) Identify the vertices. (Select all that apply.) (0,-1) (2,0) (-1,0) (0,1) (1,0) (0,2) (-1,1) (1,-1)
Identify the asymptote(s). (Select all that apply.) y = (1/2)x y = -2x y=x
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Appendix B
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y = 2x y = -x none of these
(d) This is a(n): ellipse hyperbola
It is centered at what point? ( -2 -2 , -3 -3 ) Identify the vertices. (Select all that apply.) (-5,-3) (-5,1) (-3,-5) (-3,1) (1,-3) (0,1) (1,0) (1,-5)
Identify the asymptote(s). (Select all that apply.)
none of these
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Appendix B
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