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Write the equation of the circle with center (-2, -5) and containing the point (-10, -20). Use the ^ key for the exponents. Write your answer as the example: (x+7)^2+(y-8)^2=100

Mathematics
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Start by finding the distance between the 2 points: (-2, -5) and (-10, -20). This will give you the radius.
here you have two points (-2, -5) and (-10,-20) first find the distance between these points to find the radius then use standard circle equation
(x+2)^2+(y+5)^2=17^2 would be your solution.

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Other answers:

follow @zordoloom
so basically whenever i get a problem like this i need to find the distant between the two points
You are given the center point which was (-2, -5). The question also stated that you want it to cross through a specific point being (-10, -20). Therefore, you need to find the distance between the center and where the circle will cross. |dw:1353438876550:dw|
So by finding the distance between the center point and the outside point, you'll find the radius.
oh...okay..thanks!
Yep.

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