jarhead20091 jarhead20091
  • 05-08-2021
  • Mathematics
contestada

Find the focus and directrix of the parabola y = .5(x + 2)2 – 3​

Respuesta :

mdnasim4245com
mdnasim4245com mdnasim4245com
  • 11-08-2021

Answer:

comparing equation with standard equation x

2

=4ay

a=2/5

co-ordinates of focus =(o,a) i.e. (0, 2/5)

equation of directrix=y=-a i.e. y=-(2/5)

length of latus rectum= 4a i.e. 8/5

co-ordinates of latus rectum=(-2a,a) and (2a,a) i.e. (-4/5,2/5) and (4/5,2/5)..

Step-by-step explanation:

And please marks me as brainliests..please and follow me...

Answer Link

Otras preguntas

What is not a correct translation
During the gold rush, ___
What is the sum of the first 27 terms of the arithmetic sequence? -15,-11,-7,-3,..
who was the first person to calculate the circumstance of the earth and coined the word geography ​
Please do this entire worksheet for me. I will award 59 points!!
Which two sentences are written using correct punctuation? Marsha—who was working at the front desk—forgot her keycard and had to run back up to her dorm room
What is the MOST LIKELY purpose of the first sentence of this article?
are any two regular polygons similar. The area of the smaller figure is about 390 cm^2. choose the best estimate of the area of the larger figure
What multiplication expression means the same as 2^-4
Please help with this ASAP! Please give an actual answer and show your work, I want to be able to understand how the problem is done, 35 points thank you very m