Chevygirl1222 Chevygirl1222

09-06-2015
Mathematics

Answered

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

Answer :

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

Other Questions

8. Which European colonial power took control of Malaya and built the port at Singapore? A. The United Kingdom B. Portugal C. Spain D. Netherlands

Radius is 9.4. What is circumference? Diameter is 4.75. What is radius & circumference? Diameter is 18. What is radius & Circumference?

Why is the young man put on trial in the Kings arena in the story the lady or the tiger

D’Quan’s grandmother made a quilt for his bed. The quilt is 2.44 meters long and 1.83 meters wide. What is the area of the quilt in square feet?

What happens during cytokinesis in animal cells

Round 7.3519 to one decimal place?

What is an example of direct characterization? A.description of a character’s thoughts B.description of a character’s physical traits C.description of a c

how many brothers did francis drake have and what are there names

Because cells have a watery environment both inside and outside, the polar ends of the phospholipids in the plasma membrane form

what are similes describing muscles