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anonymous
 one year ago
Help medal will be given!!!!
Using the following equation, find the center and radius:
x2  4x + y2 + 8y = 4
The center is located at (2, 4), and the radius is 4.
The center is located at (2, 4), and the radius is 4.
The center is located at (2, 4), and the radius is 16.
The center is located at (2, 4), and the radius is 16.
anonymous
 one year ago
Help medal will be given!!!! Using the following equation, find the center and radius: x2  4x + y2 + 8y = 4 The center is located at (2, 4), and the radius is 4. The center is located at (2, 4), and the radius is 4. The center is located at (2, 4), and the radius is 16. The center is located at (2, 4), and the radius is 16.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@pooja195 could you help plz

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1convert to standard form by completing the square

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1x2  4x + y2 + 8y = 4 = (x  2)^2  4 + (y + 4)^2  16 = 4 = (x  2)^2 + ( y + 4)^2 = 16

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1compare this with standard form (x  a)^2 + (y  b)^2 = r^2 where center = (a,b) and r = radius

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thank you could you help me with another im stuck on

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ABCD is a quadrilateral inscribed in a circle:What equation can be used to solve for angle D?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0(2x + 16) + (6x  4) = 90 (x + 16)  (x) = 90 (x + 16) + (2x + 16) = 180 (2x + 16) + (x) = 180

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1opposite angles of a cyclic quadrilateral add up to 180 degrees

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1what angle is opposite D?

welshfella
 one year ago
Best ResponseYou've already chosen the best response.1D + B = 180  plug in the values of D and B
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