teaceza3rubeaun4arin teaceza3rubeaun4arin

17-03-2017
Mathematics

contestada

The equation for the circle is:
x2+y2−12x+6y−19=0
What is the center of the circle?
(-6, 3)
(12, -6)
(6, -3)

(-12, 6)

Respuesta :

crisforp crisforp

17-03-2017

We have x^2 - 12x + 36 + y^2 + 6y + 9 = 64;
Then, (x-6)^2 + (y+3)^2 = 6^2;
The center of the circle is (6, -3);

Answer Link

Otras preguntas

How can I study this?

How would you categorize a company's strategy if it identifies features that set its product apart from the competition? (1 point) • promotional strategy • di

Add: (4 − 3n − 5n2) + (−2 + n − 3n2) (Points : 1) −2 − 4n − 8n2 2 − 2n − 8n2 2 − 4n − 8n2 −2 − 2n − 8n2

Use the rules for multiplication by powers of 10 to calculate 20 x 100

What is the solution to the system of equations? Use the substitution method. 4x+2y=11 x-2=-2y A. (3,-1/2) B. (0,-2) C. (0,-11/2) D. (7,-5/2)

What is the only forensic evidence that experts agree to be 100 percent accurate?

Hansel opened a bank account. He deposited $52.50 into his account every month for 10 months. He used $20.50 every month to pay for guitar lessons. After 10 mon

Henry Kissinger really developed public relations between the U.S. and the major Communist powers.

You have a pool that measures 8 yards by 10 yards. You want to build a deck around all four sides of the pool and you want to increase the total area to 120 squ

Which of the following statements best characterizes the effects and treatment of ethnicity during the past 20 years? A. Ethnic diversity has increased as new e