jorhagenbuch730 jorhagenbuch730

02-03-2021
Mathematics

contestada

identity the vertex, focus, and directrix

identity the vertex focus and directrix class=

Respuesta :

tedorika tedorika

02-03-2021

Answer:

vertex: (0, 0)

focus: (-7, 0)

directrix: x=7

Step-by-step explanation:

divide both sides by (-1/28) and you will get y^2=-28x
-28=-4p ----> p=7
focus=(-p, 0) ------> (-7, 0)
directrix=x=p ---------> x=7

Answer Link

Otras preguntas

Cory's average score after 8 tests is 91%. If he gets a 78% on his 9th test what will his new average be? How do i figure out this problem?

Which words in the sentence make up the appositive phrase? The winner of the art contest was Tiffany, my youngest cousin. A. was Tiffany B. of the art contes

Simplify (7-8i)+(-12-4i)

what is the theory that tax cuts can raise supply called

write the ratio as a fraction in simplest form. 16ft to 6yd

Select the product of (7x - 2)(7x + 7).

Jane likes to sunbathe She has read about risks from sunbathing and how to reduce them. She thinks she is not at risk from sunbathing because she has dark skin.

9 to the x-5 power=27

does 20 hundredths equal 2 thousandths

write the ratio 6 ft to 4yd as a fraction in simplest form.