lepickle
lepickle lepickle
  • 23-05-2018
  • Mathematics
contestada

write the standard form of a parabola with focus at (0,-5) and directrix y=5

Respuesta :

altavistard
altavistard altavistard
  • 23-05-2018
This is a vertical parab because the directrix is horiz.  It opens down, because the directrix is above the focus.  The vertex is (0,0), half way between the focus and the directrix.  Thus, p = -5.    Let's use this info

4py = x^2

Here, 4(-5)y = x^2, or -20y = x^2, or y = (-1/20)x^2
Answer Link

Otras preguntas

helloooo can someone help meeeeeeeee
The king and queen of Arendelle force their eldest daughter to ignore her emotions. when Elsa explains that she is scared of her powers, her father tells her,”G
what is social studies​
Given the function F(x) = 2x2 - 6, find the value F(-1).
Mateo is a nursing assistant who frequently sees Kris, a patient. Mateo was instructed to give Kris a new medication to keep his diabetes (a disease that result
What is the volume of the rectangular prism? Will mark brainlyest!
What solution value does not satisfy the compound inequality X - 7 < 17 or -6x > 36? O A) x = -1 OB) x=0 O C) x= - 10 C O D) x=25 Dx = 25
Question 2 of 10 If a basketball player missed 33 free throws out of 100, what fraction and what percentage of free throws did the player make? Choose two answe
given f(x)= 8x+1/2x-9 what is the end behaviors of the function
Discuss factors leading to higher population in Punjab compared to Sindh. 1 paragraph