In Problems 21-38, find the equation of the parabola described. Find the two points that define the latus rectum, and graph the equation. 21. Focus at (4, 0); vertex at (0,0) 22. Focus at (0, 2); vertex at (0,0) 24. Focus at (-4, 0); vertex at (0,0) 23. Focus at (0, -3); vertex at (0,0) 25. Focus at (-2, 0); directrix the line x = 2 26. Focus at (0, –1); directrix the line y = 1 27. Directrix the line y vertex at (0,0) vertex at (0,0) 28. Directrix the line x = 29. Vertex at (0,0); axis of symmetry the y-axis; containing the point (2, 3) 30. Vertex at (0,0); axis of symmetry the x-axis; containing the point (2, 3) 31. Vertex at (2, –3); focus at (2, –5) 33. Vertex at (-1, –2); focus at (0, -2) 32. Vertex at (4, –2); focus at (6, -2) 34. Vertex at (3, 0); focus at (3, -2) 36. Focus at (2, 4); directrix the line x = -4 35. Focus at (-3, 4); directrix the line y = 2 37. Focus at (-3, –2); directrix the line x = 1 38. Focus at (-4, 4); directrix the line y = -2

Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter13: Conic Sections
Section13.CR: Review Problem Set
Problem 12CR
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In Problems 21-38, find the equation of the parabola described. Find the two points that define the latus rectum, and graph the equation.
21. Focus at (4, 0); vertex at (0,0)
22. Focus at (0, 2); vertex at (0,0)
24. Focus at (-4, 0); vertex at (0,0)
23. Focus at (0, -3); vertex at (0,0)
25. Focus at (-2, 0); directrix the line x = 2
26. Focus at (0, –1); directrix the line y = 1
27. Directrix the line y
vertex at (0,0)
vertex at (0,0)
28. Directrix the line x =
29. Vertex at (0,0); axis of symmetry the y-axis; containing the
point (2, 3)
30. Vertex at (0,0); axis of symmetry the x-axis; containing the
point (2, 3)
31. Vertex at (2, –3); focus at (2, –5)
33. Vertex at (-1, –2); focus at (0, -2)
32. Vertex at (4, –2); focus at (6, -2)
34. Vertex at (3, 0); focus at (3, -2)
36. Focus at (2, 4); directrix the line x = -4
35. Focus at (-3, 4); directrix the line y = 2
37. Focus at (-3, –2); directrix the line x = 1
38. Focus at (-4, 4); directrix the line y = -2
Transcribed Image Text:In Problems 21-38, find the equation of the parabola described. Find the two points that define the latus rectum, and graph the equation. 21. Focus at (4, 0); vertex at (0,0) 22. Focus at (0, 2); vertex at (0,0) 24. Focus at (-4, 0); vertex at (0,0) 23. Focus at (0, -3); vertex at (0,0) 25. Focus at (-2, 0); directrix the line x = 2 26. Focus at (0, –1); directrix the line y = 1 27. Directrix the line y vertex at (0,0) vertex at (0,0) 28. Directrix the line x = 29. Vertex at (0,0); axis of symmetry the y-axis; containing the point (2, 3) 30. Vertex at (0,0); axis of symmetry the x-axis; containing the point (2, 3) 31. Vertex at (2, –3); focus at (2, –5) 33. Vertex at (-1, –2); focus at (0, -2) 32. Vertex at (4, –2); focus at (6, -2) 34. Vertex at (3, 0); focus at (3, -2) 36. Focus at (2, 4); directrix the line x = -4 35. Focus at (-3, 4); directrix the line y = 2 37. Focus at (-3, –2); directrix the line x = 1 38. Focus at (-4, 4); directrix the line y = -2
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