College Algebra & Trigonometry, 2018a

272 CHAPTER 5. CONIC SECTIONS - CIRCLE AND PARABOLA
Exercises 5.2(a)
Determine the equation in standard form for each of the parabolas described below.
1) Focus: (2, 5) 2) Focus: (−4, 3)
Vertex: (2, 6) Vertex: (−3, 3)
3) Focus: (1.5, 0) 4) Focus: (−9, 0)
Vertex: (0, 0) Vertex: (−9, −0.5)
5) Focus: (5, 1) 6) Focus: (0, 3)
Directrix: x =12 Directrix: y =1
7) Focus: (1, −3) 8) Focus: (−4, 8)
Directrix: y =2 Directrix: x = −6
9) Vertex: (1, 3), axis of symmetry parallel to y-axis
contains the point (4, 7.5)
10) Vertex: (4, 2), axis of symmetry parallel to y-axis
contains the point (5, 0)