{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

Stitz-Zeager_College_Algebra_e-book

# 9 with the help of your classmates research the

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: f latus rectum (1, −2), (1, −6) −1 −1 1 2 3 x 4 −2 −3 −4 −5 −6 −7 −8 (c) (x − 3)2 = −16y Vertex (3, 0) Focus (3, −4) Directrix y = 4 Endpoints of latus rectum (−5, −4), (11, −4) y 4 3 2 1 −5 −4 −3 −2 −1 −1 1 2 3 4 5 −2 −3 −4 y 72 3 5 =2 y+ 2 7 5 Vertex − 3 , − 2 Focus − 7 , −2 3 Directrix y = −3 Endpoints of latus rectum − 10 , −2 , − 4 , −2 3 3 (d) x + 2 1 −5 −4 −3 −2 −1 x −1 −2 −3 6 7 8 9 10 11 x 7.3 Parabolas 417 y (e) (x − 1)2 = 4(y + 3) Vertex (1, −3) Focus (1, −2) Directrix y = −4 Endpoints of latus rectum (3, −2), (−1, −2) −3 −2 −1 1 2 3 x 4 −1 −2 −3 −4 y (f) (x + 2)2 = −20(y − 5) 10 Vertex (−2, 5) Focus (−2, 0) Directrix y = 10 Endpoints of latus rectum (−12, 0), (8, 0) 9 8 7 6 5 4 3 2 1 −12 −10 −8 −6 −4 −2 4 6 8 x y (g) (y − 4)2 = 18(x − 2) Vertex (2, 4) Focus 123 , 4 Directrix x = − 5 2 Endpoints of latus rectum 2 13 11 9 13 2 , −5 , 13 2 , 13 7 5 3 1 −1 1 − 1 2 3 4 5 −3 5 y 32 2 = −7 x + 9 2 9 Vertex − 2 , − 3 2 Focus − 25 , − 3 4 2 Directrix x = − 11 4 Endpoints of latus rectum − 25 , 2 , − 25 , −5 4 4 (h) y + 2 1 x −5 −4 −3 −2 −1 −1 −2 −3 −4 −5 6 7 x 418 Hooked on Conics 2. (a) (y − 5)2 = 27(x − 4) Vertex (4, 5) Focus 443 , 5 Directrix x = − 11 4 1 (d) (y + 1)2 = − 2 (x − 10) Vertex (10, −1) Focus 789 , −1 Directrix x = 81 8 2 (e) (x − 5)2 = −12(y − 2) Verte...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online