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julie001
 3 years ago
HELPPPPPP ! Patrick drew the incorrect graph shown below to represent the circle (x – 1)2 + (y + 3)2 = 4
Which statement explains why Patrick’s graph is incorrect?
The radius of the circle should be 2 instead of 4.
The center of the circle should be (1, 9) instead of (1, 3).
The center of the circle should be (1, 3) instead of (1, 3).
The radius of the circle should be 16 instead of 4.
julie001
 3 years ago
HELPPPPPP ! Patrick drew the incorrect graph shown below to represent the circle (x – 1)2 + (y + 3)2 = 4 Which statement explains why Patrick’s graph is incorrect? The radius of the circle should be 2 instead of 4. The center of the circle should be (1, 9) instead of (1, 3). The center of the circle should be (1, 3) instead of (1, 3). The radius of the circle should be 16 instead of 4.

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allank
 3 years ago
Best ResponseYou've already chosen the best response.1Kindly clarify. Is the circle equation in this form? (x – 1)^2 + (y + 3)^2 = 4

allank
 3 years ago
Best ResponseYou've already chosen the best response.1I think the first choice is the answer since the radius of the circle is sqrt4.

julie001
 3 years ago
Best ResponseYou've already chosen the best response.1thanks! but im gonna get a second opinion just in case

allank
 3 years ago
Best ResponseYou've already chosen the best response.1This might make it clearer. http://tutorial.math.lamar.edu/Classes/Alg/Circles.aspx

allank
 3 years ago
Best ResponseYou've already chosen the best response.1***Quote from the link*** (xh)^2+(yk)^2=r^2 This is the standard form of the equation of a circle with radius r and centre (h,k). The equation is (x – 1)2 + (y + 3)2 = 4 Meaning that the radius is sqrt of 4 = 2. In the figure, the radius is about 4. Thus the answer is the first choice.

julie001
 3 years ago
Best ResponseYou've already chosen the best response.1okay i trust u guys thanks!
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