sophiereidd5 sophiereidd5
  • 17-03-2020
  • Mathematics
contestada

A circle is described by the equation x2−10x+y2+8y=6
. Identify the center and radius of the circle.

Respuesta :

hanifchoirunnisa
hanifchoirunnisa hanifchoirunnisa
  • 17-03-2020

x² - 10x + y² + 8y = 6

x² + y² - 10x + 8y - 6 = 0

Center = (-(1/2)A, -(1/2)B)

= (-(1/2)(-10), -(1/2)(8))

= (5, -4)

Radius = √((1/4)A² + (1/4)B² - C)

= √((1/4)(-10)² + (1/4)8² - (-6))

= √((1/4)(100) + (1/4)(64) + 6)

= √(25 + 16 + 6)

= √47

Answer Link

Otras preguntas

what are three disadvantages of case studies
Look at the data in the table. x y 2.4 9 7.2 28 7 24 8.3 35 3.1 9 7.2 30 9 32 Which graph shows the line of best
Read the quotation from "Song of Myself." I celebrate myself, and sing myself, And what I assume you shall assume, For every atom belonging to me as good b
explain why periodic table t has two rows of period 6 and 7
what is the equation of the line that passes through (3,-1) and is parallel to y=-4X + 1? give your answer in slope-intercept form.
The jurisdiction of a Christian bishop was called a(n) a. ecclesia. b. abbey. c. latifundia. d. diocese. e. demesne.
The capacity of a tiny kitty pool is 1/4 of the liter. How many tiny kitty pools will 2 liters of water fill completely?
How do societal expectations affect corporations and their ethical initiatives
Mes grands-parents ______ une grande maison à la campagne. (1 point) as ont avez avons
which of the following allows the human body to maintain stability in response to a viral infection