MathematicsEasy92×since 2002Q4689The equation of a common tangent to the parabolas y=x2y=x^{2}y=x2 and y=−(x−2)2y=-(x-2)^{2}y=−(x−2)2 isAy=4(x−2)y=4(x-2)y=4(x−2)By=4(x−1)y=4(x-1)y=4(x−1)Cy=4(x+1)y=4(x+1)y=4(x+1)Dy=4(x+2)y=4(x+2)y=4(x+2)Check answerSkip