1.If x−2y+k=0x - 2y + k = 0x−2y+k=0 is a tangent to the parabola y2−4x−4y+8=0y^2 - 4x - 4y + 8 = 0y2−4x−4y+8=0, then the value of KKK isa.222b.25\frac{2}{5}52c.777d.−7-7−7Login to continueOnly logged in users canattempt or see the solution.
