Chevygirl1222
Chevygirl1222 Chevygirl1222
  • 09-06-2015
  • Mathematics
contestada

from the equation of a parabola identify the focus and directrix:
y^2 + 12x -6y + 21 = 0

Respuesta :

Panoyin
Panoyin Panoyin
  • 09-06-2015
y² + 12x - 6y + 21 = 0
                      - 21  - 21
        y² + 12x - 6y = -21
        12x + y² - 6y = -21
12x + (y² - 6y + 9) = -21 + 9
        12x + (y - 3)² = -12
        -12      -12       -12
          -x + (y - 3)² = 1
                   -12
Answer Link

Otras preguntas

I neeeeeed HELP!!!!!!!!!!!
siimplify (cos2 θ-1)/(11- sin2 θ)
A number of miles driven this month was 30% decrease of the number of miles driven last month ?
someone please help :(
Fill in the blanks "Where are you going?" He asked me where ........................................ "Who doesn't like ice cream?" She asked me who ............
Which sentence is punctuated correctly gradpoint
I WILL GIVE YOU BRAINLIEST IF YOU GET IT RIGHT! AND 10 POINTS!Starting at the same point, Tom and Juanita go biking in opposite directions. If Tom rides at a sp
Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at a rate of 65miles per hour. The westbound tr
RISRS and Rewards of Information Systems: Mastery Test Submit Testa Select the correct answer. When Mark's organization Implemented an IS, they faced the lack o
An object is at rest when it undergoes a constant acceleration of 13 m/s ^ 2 for 5.0 seconds. How far will it have traveled during this time?