subject
Mathematics, 15.01.2021 01:50 marbo1

What is the equation of the parabola, in vertex form, with focus at (2,-4) and directrix y=-6? A. (X-2)^2 = 4(y+5)
B. (Y+4)^2 = 4(x-2)
C. (X+2)^2 = 1/4(y+4)
D. (X-2)^2 = -1/4(y+5)


What is the equation of the parabola, in vertex form, with focus at (2,-4) and directrix y=-6?

A

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 17:00
What properties allow transformation to be used as a problem solving tool
Answers: 2
question
Mathematics, 21.06.2019 21:00
In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)
Answers: 1
question
Mathematics, 22.06.2019 04:30
Apopulation of 1500 insects grows exponentially, by a factor of 3 every week. select all equations that represent or approximate the population, p, as a function of time in days, t, since the time it was 1500.
Answers: 2
question
Mathematics, 22.06.2019 06:30
Dylan has built a simple clinometer by attaching a weighted string to the center of a protractor. he then attached a straw to the protractor to use as a sight. by looking at an object through the straw, dylan can determine the angle of elevation to that object. 1. dylan is using his clinometer to him determine the height of a tree. he stands 6m from the base of the tree and takes the measurement shown on the clinometer. then, he measures the height of his eye to be 1.6m above the ground a. sketch a diagram to represent this scenario.
Answers: 3
You know the right answer?
What is the equation of the parabola, in vertex form, with focus at (2,-4) and directrix y=-6? A. (...
Questions
Questions on the website: 13722359