Welcome :: Homework Help and Answers :: Mathskey.com
Welcome to Mathskey.com Question & Answers Community. Ask any math/science homework question and receive answers from other members of the community.

13,459 questions

17,854 answers

1,446 comments

811,120 users

write an equation of a parabola with a vertex at the origin and a directrix at y=5

0 votes
asked May 16, 2016 in ALGEBRA 1 by anonymous
reshown May 16, 2016 by goushi

1 Answer

0 votes

The directrix equation is image and vertex image.

Standard equation parabola is image,

where image is vertex and imagedirected distance from vertex to focus.

image

Directrix equation is image.

Substitute the image and image values.

image

Substitute image and image values in image.

image

Parabola equation is image.

answered May 16, 2016 by Anney Mentor

Related questions

...