Question

A preimage includes a line segment of length x and slope m. If the preimage is dilated by a scale factor of n, what are the length and slope of the corresponding line segment in the image?

Select one of the options below as your answer:



A.
length = nx, slope = nm




B.
length = nx, slope = m




C.
length = x, slope = m




D.
length = x, slope = nm




E.
length = (n + m)x, slope = nm