triangle PQR is shown below. A rotation of 180 about point M, followed by a dilation centered at M, with scale factor 2, is applied to the plane. What js the resulting triangle P'Q'R?

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.