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

Literary Devices 1. The super spicy salsa set my mouth on fire 2. The clouds were like pillows floating in the sky 3. The rain kissed my cheeks as it fell 4. Th

The architect wanted to make another scale drawing of the arch based on its actual height and width. The drawing of the arch had to measure 4 inches by 3 inches

As part of a 5th grade class project on ancient egypt, matthew memorizes the names of all the egyptian pharaohs. The ability to recall this type of structured,

(b) Hypothesize Why do you think librarians rallied behind the book’s honesty and realism?

The path is 32 length unit long . How many more parts would you need to add for the part to be 40 length units long

Find the perimeter of the figure write your answer in simplest form

Assume the cards are drawn sequentially and without replacement. In how many ways can 5 spades be drawn from a standard deck of 52 cards?

Find the value of a. The diagram is not to scale. 21°- 129 (2q+6)° 9°

Analyze how Miller develops Proctor's character in Act 1 by juxtaposing him against Reverend Hale or Giles CoreyHow do the characters' actions and dialogue exem

The Mizzi Corporation has created a demand function for one of its wrench sets. It expresses the quantity demanded in terms of the wholesale price p, and was fo