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

the law of {blank} of matter states that matter can neither be created nor destroyed
Why do you think wegener was unable to prove the theories of continental drift and plate tectonics before his death in 1930?
what process allows green plants to control the amount of water stored in their leaves? PLEASE HELP ME!
how are heat and light waves produced on and in the sun?
How do simple machines affect work?
What is 84.7 divided by 7
Leo reads 13 pages in 1/3 hour.  what is the unit rate for pages per hour? what is the unit rate for hours per page?
Renuka has two pounds of pepper in her cupboard. She knows that there are 16 ounces in one pound. After Renuka makes one batch of Garam Masala, how many ounces
A recipe called for the ratio of sugar to flour to be 5:1. If you used 35 ounce of sugar, how many ounces of flour would you need to use?
Which of the following is a reasonable estimated answer to the following problem? 989,867 ÷ 999