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anonymous
 4 years ago
Find the equation of the circle with center that passes through point A.
center (1, 3) and point A (4, 2) equaling to 0
anonymous
 4 years ago
Find the equation of the circle with center that passes through point A. center (1, 3) and point A (4, 2) equaling to 0

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amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1whats the equation of a generic circle?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Use the distance formula to find the radius

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1good, now replace h with 1 and k with 3 for starters

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1the radius "r" is just the distance from the center to A

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0(x1)^2+(y3)^2=r^2 .....

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1good so far; now for "r"

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1do you recall the formula or any method to find the distance between 2 points?

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1then plug in the point for center and the point for A to determine the distance; thats your r then

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1i get 3 over and 5 down sooo; sqrt(3^2+5^2) = sqrt(34) perhaps?

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1and r^2 is then 34 (x1)^2 + (y3)^2 = 34 expand it all out and put all things to one side to zero it out

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0wait im not sure how to zero that out..

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1not quite, (x1)(x1) = x^2 2x +1

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1.... youre really bad at that :) y3 y3  y^2 3y 3y+9  y^2 6y + 9

amistre64
 4 years ago
Best ResponseYou've already chosen the best response.1sooo: x^2 2x +1 + y^2 6y +9 = 34 combine the constants x^2 2x + y^2 6y +10 = 34 and 34 from each side x^2 2x + y^2 6y +10 = 34 34 34  x^2 2x + y^2 6y  24 = 0
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