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

The zimmermann note added to america's reasons for war because it

Please help with my Geometry!

What is the BEST description and explanation for the underlined words in this sentence? The teenager smiled and exclaimed, "My two favorite activities are eati

What is the basic technique used for making a turn?

Will the spring return to its original unstretched position when the load is removed

Does Anyone Know Any Tourist Attractions in Planet Venus!(Don't know! Use you Imagination!)(16 points!)(Will Mark Brainlist!)

Et eos qui hereditatem captant, odisse ac vitare

What major step did europe take to help meet its obligation to the kyoto protocol?

This is secured to a guardrail’s vertical posts and must be installed when walls aren’t at least 21 inches high and withstand at least 150 lbs. of force.

During photosynthesis, plants use _____ to make sugars and starches.