For Exercises 41–50, write the standard form of the equation of the hyperbola subject to the given conditions. (See Example 5)
Vertices:
Foci:
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College Algebra
- For Exercises 27–34, an equation of a parabola x = 4py or y = 4px is given. a. Identify the vertex, value of p, focus, and focal diameter of the parabola. b. Identify the endpoints of the latus rectum. c. Graph the parabola. d. Write equations for the directrix and axis of symmetry. (See Examples 2-3) 27. x -4y 28. x -20y 29. 10y = 80x 30. 3y = 12x 31. 4x 40y 32. 2x 14y 33. y = 34. y = -2x = -X %3Darrow_forward3) Put x2 + 6x - y = 8 in standard (vertex) form %3Darrow_forwardWhat is the vertex of the parabola y = (x+3)²-4? A B с D (3,4) (-3,4) (-3,-4) (3,-4)arrow_forward
- 3) Explain how changing the a, h, and k variables affect the shape of the parabola in the vertex form y = a(x - h)² + k. [3 Communication Marks] Page 1arrow_forwardWhich parabola has a vertex at the (0, 3) and opens to the right? O y=x²+3 O y = -(x + 3)² Ox=y²-3 O x = (y - 3)² O-(x+3)² = (y - 3)²arrow_forwardConsider the parabola y = -3x2+42x-150. What is the vertex (-7,-3) (-7,3) (7,-3) (7,3)arrow_forward
- In Exercises 47–50, determine the x-intercepts of the graph of each quadratic function. Then match the function with its graph, labeled (a)-(d). Each graph is shown in a [-10, 10, 1] by [-10, 10, 1] viewing rectangle. 47. у 3D х2 -бх + 8 48. y = x? – 2r – 8 49. y = x² + 6x + 8 50. y = x² + 2x – 8 а. b. C. d.arrow_forwardFind the equation of the parabola whose axis is parallel to the x-axis and passes through the points (3,1), (0,0), and (8,-4).arrow_forward
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage