Show that the equation represents a circle by rewriting it in standard form, and
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Mathematics
Description
x2 + y2 + 6x + y + 9 = 0
standard form
center(x, y) = ( )
radius
x2 + y2 + x = 0
standard form
center(x, y) = ( )
radius
x2 + y2 + 10y + 18 = 0
standard form
center(x, y) = ( )
radius
x2 + y2−8x + 8y + 16 = 0
standard form
center(x, y) = ( )
radius
x2 + y2−2x−2y = 14
standard form
center(x, y) = ( )
radius
x2 + y2−6x + 8y + 21 = 0
standard form
center(x, y) = ( )
radius
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