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

PLZ HELP!!! Fill in the gaps.c•7=c÷_c•1 over 3=c÷_c÷1 over 3=c÷_c÷7=c•_

Suggest a consequences of lower sperm count in males

Attachment. need words 20

Find the value of x and y that will make each quadrilateral a parallelogram.

A scientist was given some cells in a test tube .When she did karyotyping studies on these cells, she found that they each consisted of 23 chromosomes with only

Which expression is a sixth root of -1+i sqrt3? (Look at photo for options)

Can someone help me with this question please

a brand of a uncooked spaghetti comes in a box that is a rectangular prisim with a length of 9 inches, a width of 2inches andd hight of 1.5 inches what is the s

The angle of depression of a buoy from a point on a lighthouse 120 feet above the water's surface is 10 degrees. Find the distance from the lighthouse to the bu

(7.3) The focus of Laozi's philosophy was