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anonymous
 one year ago
PLEASE HELP I WILL MEDAL!
What is the standard form of equation of a circle with center at (2, 3) and passing through the point (2, 0)?
A. (x + 2)^2 + (y + 3)^2 = 9
B. (x − 2)^2 + (y − 3)^2 = 16
C. (x − 2)^2 + (y − 3)^2 = 4
D. (x + 2)^2 + (y + 3)^2 = 16
E. (x − 2)^2 + (y + 3)^2 = 9
anonymous
 one year ago
PLEASE HELP I WILL MEDAL! What is the standard form of equation of a circle with center at (2, 3) and passing through the point (2, 0)? A. (x + 2)^2 + (y + 3)^2 = 9 B. (x − 2)^2 + (y − 3)^2 = 16 C. (x − 2)^2 + (y − 3)^2 = 4 D. (x + 2)^2 + (y + 3)^2 = 16 E. (x − 2)^2 + (y + 3)^2 = 9

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0What's the distance between the points (2, 0) and (2, 3)? That distance will be the radius.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no, the x's are the same, so we can just subtract the y's. r = 0  (3) = 3

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0now just plug into the formula (x  h)² + (y  k)² = r² (h, k) is (2, 3) the center

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0do i switch them to addition since they were already negatives?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yes you have to switch them
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