a circle has equation x2+y2-8x+2y-1=0 what is the radius of this circle
Question
Updated 7/23/2014 3:14:02 AM
This conversation has been flagged as incorrect.
Flagged by yeswey [7/23/2014 3:11:57 AM]
f
Original conversation
User: a circle has equation x2+y2-8x+2y-1=0 what is the radius of this circle

Weegy: Weegy will move on to the next Weegy expert.

User: what

Question
Updated 7/23/2014 3:14:02 AM
This conversation has been flagged as incorrect.
Flagged by yeswey [7/23/2014 3:11:57 AM]
Rating
8
A circle has equation x^2+y^2-8x+2y-1=0, the radius of this circle is 3 sqrt 2.
x^2+y^2-8x+2y-1=0
x^2-8x+16+y^2+2y+1=1+16+1
(x-4)^2+(y+1)^2=18
The center of the circle is (4, -1) and the radius is sqrt 18 = 3 sqrt 2.

Questions asked by the same visitor
A circle has equation x2+y2-8x+2y-1=0 what is the radius of this circle
Weegy: I don't know! (More)
Question
Updated 7/23/2014 3:15:01 AM
A circle has equation x^2+y^2-8x+2y-1=0, the radius of this circle is 3 sqrt 2.
x^2+y^2-8x+2y-1=0
x^2-8x+16+y^2+2y+1=1+16+1
(x-4)^2+(y+1)^2=18
The center of the circle is (4, -1) and the radius is sqrt 18 = 3 sqrt 2.
Confirmed by andrewpallarca [7/23/2014 3:23:06 AM]
39,047,107
*
Get answers from Weegy and a team of really smart live experts.
Popular Conversations
True or False: Chlorophyll is a pigment that absorbs light energy for ...
Weegy: The role of chlorophyll in photosynthesis is to absorb light for photosynthesis. User: True or False: ...
True or False: The Hundred Years' War was fought between England and ...
Weegy: The Hundred Years' War was fought between France and England during the late Middle Ages. User: True or ...
True or False: A SWOT analysis is used to assess a company's internal ...
Weegy: In a company's SWOT analysis, he following is an example of a threat: There are many competitors in the market. ...
Which of the following is not a type of muscle tissue? A) Skeletal B) ...
Weegy: Digestive is NOT a type of muscle tissue. User: What is the powerhouse of the cell where ATP is produced? ...
True or False: Enzymes are biological catalysts that speed up ...
Weegy: It provides temperature regulation: role of water is significant for most living things in a biological system. ...
True or False: The process of photosynthesis occurs in the ...
Weegy: Mitochondria are specialized structures unique to the cells of animals, plants and fungi. User: True or ...
Which financial statement shows the changes in a company's equity ...
Weegy: The Company s Information means any invention, product, material, method, process, technique, know-how, data, ...
True or False: The term "double jeopardy" refers to being tried for ...
Weegy: Double jeopardy is the act of causing a person to be put on trial two times for the same crime. User: True ...
True or False: Newton's first law states that an object in motion ...
Weegy: User: True or False: The Law of Conservation of Energy states that energy cannot be created or destroyed. ...
S
L
P
1
P
P
Points 675 [Total 4463] Ratings 2 Comments 655 Invitations 0 Offline
S
L
Points 252 [Total 252] Ratings 3 Comments 222 Invitations 0 Offline
S
L
Points 142 [Total 1681] Ratings 0 Comments 142 Invitations 0 Offline
S
L
Points 137 [Total 1499] Ratings 1 Comments 127 Invitations 0 Offline
S
L
L
Points 94 [Total 7074] Ratings 1 Comments 84 Invitations 0 Offline
S
Points 20 [Total 20] Ratings 0 Comments 0 Invitations 2 Offline
S
Points 17 [Total 33] Ratings 0 Comments 7 Invitations 1 Offline
S
Points 10 [Total 10] Ratings 0 Comments 0 Invitations 1 Offline
S
L
R
Points 10 [Total 329] Ratings 0 Comments 10 Invitations 0 Offline
S
L
1
1
1
1
Points 10 [Total 2265] Ratings 1 Comments 0 Invitations 0 Offline
* Excludes moderators and previous
winners (Include)
Home | Contact | Blog | About | Terms | Privacy | © Purple Inc.