michelleruiz723 michelleruiz723

25-03-2020
Mathematics

contestada

The equation of a circle is given below . Identify the center and the radius. x ^ 2 + y ^ 2 + 8x - 4y + 11 = 0

Respuesta :

amna04352 amna04352

26-03-2020

Answer:

Centre: (-4,2)

Radius: 3

Step-by-step explanation:

h = 8/-2 = -4

k = -4/-2 = 2

(-4)² + 2² - 11 = r²

r² = 9

r = 3

Answer Link

Otras preguntas

If you multiply all of the numbers in a calculator, what will it be?

Pls hurry I will be grounded if I do bad

Managers can help to change the organization's culture by paying attention to which ______ they use as narratives to symbolize the organization's vision and val

Monomials!!!!!! HELP!!!!!! subtract -13xy from -5xy m^8n x m^3n^5

Name a few viral infections and bacterial infections.

Solve for ‘X’ (10x-11)+(8x+15)+(9x-14)+(7x+6)+(9x-17)+121+139+153=180

When looking at a financial aid award letter, which type of aid would you have to pay back? a) Federal work-study b) merit scholarship c) federal pell grant b)

When there is a constrained resource, the best way to increase profits is to ______. i. increase the capacity of the bottleneck ii. keep the capacity of the b

A biologist has been observing a tree’s height. 10 months into the observation, the tree was 15.1 feet tall. 18 months into the observation, the tree was 17.18

¿Qué actitud asumen los españoles con respecto a la Iglesia?