ctellis03 ctellis03
  • 11-06-2021
  • Mathematics
contestada

Find the center and the radius of the circle with the equation:
x2 - 2x + y2 + 4y + 1 = 0

Find the center and the radius of the circle with the equation x2 2x y2 4y 1 0 class=

Respuesta :

LammettHash
LammettHash LammettHash
  • 11-06-2021

Complete the square:

x ^2 - 2x + y ^2 + 4y + 1 = 0

(x - 1)^2 + (y + 2)^2 + 1 = 1 + 4

(x - 1)^2 + (y + 2)^2 = 4 = 2^2

Hence the center is (1, -2) and the radius is 2. (D)

Answer Link

Otras preguntas

Mr. Hayward was ----- for ten years. What predicate nominative can I use here?
Thomas takes a break from his work every 20 minutes while Elaine takes a break every 30 minutes. How often do they take a break at the same time assuming that t
Why were new medical treatments and inventions developed during World War I?
which achievements are most closely associated with the golden age of Islamic cult
Read this sentence: Sarah was as hungry as a momma grizzly bear just waking from hibernation. What does the phrase grizzly bear suggest? a. Ferocity b. Heavin
of the runners in marathon through northeastern Pennsylvania 94.1% finshed the race .if 2,125 runners started the race how many finished the race
How would I abbreviate my street address? 158 Orchard St New York, NY
When writing a summary of a text, you must a. restate the ideas in your own words b. include your personal opinions c. make the summary longer than the origi
What were some of the causes of King Philip's War?
Ten times the square of a non-zero number is equal t fifty times the number. what is the number?