Hello <span>x² + y² - x - 2y - 11/4 = 0 (x²-x) +(y²-2y)-11/4 = 0 (x-0.5x)²-(1/2)² + (y-1)² -1² -11/4=0 (x-0.5)² +(y-1)² = (1/4)+1+(11/4) = </span> (1/4)+(4/4)+(11/4) (x-0.5)² +(y-1)² =4² Answer D the center of the circle is : A (1/2, 1),<span>the length of the radius</span> 2 units
