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Find the standard equation of every cicle that passe through the origin, has radius 5 and is such that the y-coordinate of its center is -4 ?

 Nov 18, 2019
 #1
avatar+19720 
+2

There are two,

here is one   x=3   y = -4      h,k is then   3,-4

 

(x-3)^2  +  (y+4)^2 = 25           can you find the other one?

 Nov 18, 2019
 #2
avatar+60 
+2

the other one is (x+3)^2  +  (y+4)^2 = 25   right ?

shgg111  Nov 18, 2019
 #3
avatar+105370 
+2

Correct, shgg111....!!!!

 

 

cool cool cool

CPhill  Nov 18, 2019
 #4
avatar+60 
+2

thanks 

shgg111  Nov 18, 2019

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