Use the similar triangles on the coordinate plane to
determine the equation for the given line

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.

Ineed with this problem 21 show steps

How is this equation completed? i cannot find any examples in the book.