Ahyllin
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Pls help! I need to know if this is right! 50 points!

A small delivery company can deliver only in a small part of the city. Write an equation for the boundary where the company delivers. and find its radius.


Select the appropriate response:

A) (x+1)2+(y-1)2= 25 radius = 5 miles

B) (x-1)2+(y+1)2= 25 radius = 5 miles

C) (x+1)2+(y-1)2= 25 radius = 10 miles

D) (x-1)2+(y+1)2= 25 radius = 10 miles

Pls help I need to know if this is right 50 points A small delivery company can deliver only in a small part of the city Write an equation for the boundary wher class=

Respuesta :

kenholland066

Answer: B) (x-1)2+(y+1)2= 25 radius = 5 miles

Step-by-step explanation:

In order to get this answer you see that you are adding a negative to x in the first part then multiplying it by 2. Second, you add y+1 then multiplying it by 2. You get the radius of 25 which equals 5 miles. Look at the graph to also check your answers to the problem.

amna04352

Answer:

B) (x-1)2+(y+1)2= 25 radius = 5 miles

Step-by-step explanation:

Equation of a circle:

(x - h)² + (y - k)² = r²

(h,k) = (1, -1)

r = 5

(x - 1)² + (y - -1)² = 5²

(x - 1)² + (y + 1)² = 25

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