camrob41 camrob41
  • 23-05-2020
  • Mathematics
contestada

What is the radius of the circle shown below?
x^2+y^2-2x+6y+9=0

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 23-05-2020

Answer:

  1

Step-by-step explanation:

The graph below shows the radius to be 1.

__

If we rewrite the equation to standard form, we have ...

  (x^2 -2x +1) +(y^2 +6y +9) = -9 +1 +9

  (x -1)^2 +(y +3)^2 = 1

The square of the radius is 1, so the radius is 1.

Ver imagen sqdancefan
Answer Link

Otras preguntas

If q=2. Evaluate (34+18*q)-(5q+7)
How would you describe king arthur as a king?
What is the verbal expression for 7 to the third power
Given any two numbers,which is greater,the LCM of the numbers or the GCF of the numbers? Why?
how long does a car traveling at 70 mph take to travel 88 miles, in hours
Which of the following is the best example of a check on presidential power
If you pour a cup of coffee that is 200F , and set it in a room that is 68F, and 10 minutes later it is 145F, what temperature will it be 15 minutes after you o
What role did President Wilson want the United States to play at the start of World War I? a. cutting off American supplies to every warring nation b. enterin
what philosopher suggested that the mind and body are separate but that a link exists between them
Which country was NOT part of the Allied Powers during World War I? a. Austria-Hungary b. Serbia c. Great Britain d. France