on the parabola when the line intersects, but does not cross, and graph the 51. x + 4x - 6y = 53. y2 + x + y = 0 16. Focus: G, 0) 18. Focus: (0, - 1) uation with O, and (d).] 15. Focus: (0,) 17. Focus: (-2, 0) 19. Directrix: y = 2 OO Finding a Parab equation at the gi 20. Directrix: y = -4 22. Directrix: x = 3 21. Directrix: x = - 1 %3D 23. Vertical axis; passes through the point (4, 6) 24. Vertical axis; passes through the point (-3, - 3) 25. Horizontal axis; passes through the point (-2, 5) 26. Horizontal axis; passes through the point (3, - 2) 55. x2 = 8y х 8. 4 DXO Finding the Standard Equation of a Parabola In Exercises 27-36, find the standard form of the equation of the parabola 4 -4 -4 with the given characteristics. 57. x = 2y, (4, 8 %3D 27. 28. Vertex 59. y = -2r², (- (2, 6) 61. Flashlight focus of the pa Focus (-3, 0) •Focus (2, 4) vertex of ther 4 8 12 Vertex a cross section (-4, 0) -8 on the positiv ation of a 6, find the the parabola nd vertex at -1 +1 2 3 4 5 6 29. Vertex: (6, 3); focus: (4, 3) 30. Vertex: (1, - 8); focus: (3, –8) 31. Vertex: (0, 2); directrix: y = 4 32. Vertex: (1, 2); directrix: y = -1 33. Focus: (2, 2); directrix: x = -2 34. Focus: (0, 0); directrix: y = 8 35. Vertex: (3, - 3); vertical axis; passes through the point (0, 0) 36. Vertex: (-1, 6); horizontal axis; passes through the point (-9, 2) Figure for 4. 62. Satellite dish is at th equation fo 76 4321
on the parabola when the line intersects, but does not cross, and graph the 51. x + 4x - 6y = 53. y2 + x + y = 0 16. Focus: G, 0) 18. Focus: (0, - 1) uation with O, and (d).] 15. Focus: (0,) 17. Focus: (-2, 0) 19. Directrix: y = 2 OO Finding a Parab equation at the gi 20. Directrix: y = -4 22. Directrix: x = 3 21. Directrix: x = - 1 %3D 23. Vertical axis; passes through the point (4, 6) 24. Vertical axis; passes through the point (-3, - 3) 25. Horizontal axis; passes through the point (-2, 5) 26. Horizontal axis; passes through the point (3, - 2) 55. x2 = 8y х 8. 4 DXO Finding the Standard Equation of a Parabola In Exercises 27-36, find the standard form of the equation of the parabola 4 -4 -4 with the given characteristics. 57. x = 2y, (4, 8 %3D 27. 28. Vertex 59. y = -2r², (- (2, 6) 61. Flashlight focus of the pa Focus (-3, 0) •Focus (2, 4) vertex of ther 4 8 12 Vertex a cross section (-4, 0) -8 on the positiv ation of a 6, find the the parabola nd vertex at -1 +1 2 3 4 5 6 29. Vertex: (6, 3); focus: (4, 3) 30. Vertex: (1, - 8); focus: (3, –8) 31. Vertex: (0, 2); directrix: y = 4 32. Vertex: (1, 2); directrix: y = -1 33. Focus: (2, 2); directrix: x = -2 34. Focus: (0, 0); directrix: y = 8 35. Vertex: (3, - 3); vertical axis; passes through the point (0, 0) 36. Vertex: (-1, 6); horizontal axis; passes through the point (-9, 2) Figure for 4. 62. Satellite dish is at th equation fo 76 4321
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.1: The Rectangular Coordinate System
Problem 44E: By definition, a hyperbola is the locus of points whose positive difference of distances from two...
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