optimisiticlana optimisiticlana

11-07-2020
Mathematics

contestada

given the vertex (2,9) and the foci (5,9), what is the equation of the directrix

Respuesta :

PollyP52 PollyP52

11-07-2020

Answer:

x = -1

Step-by-step explanation:

The vertex is halfway between the focus and the directrix.

So here the directrix is a vertical line to the left of the vertex and passing through the point (2-3, 9) = (-1, 9)

It is x = -1.

Answer Link

Otras preguntas

Help me and I'll do the same

Read the sentence and select the statement that best describes it. i should leave now. the sentence is missing a predicate. the sentence is missing a subject. t

find the balance in the account after the given period $500 principal earning 4% compound quarterly after 6 years

Where did US military officials expect the Japanese to attack during World War II?

Levittown became the first mass-produced suburban __________ in new york in 1948

Chromosomes from the mother control whether a child is male or female. true or false.

Land, labor, and entrepreneurship are the three factors of production. True False

earth’s inner core is solid because of _____. a. its great diameter b. immense pressure c. the composition of its rock d. extreme temperatures

0.61X 0.45 what do I need to put in the blanks

Cataract and lens replacement uses ____ different approaches