Question

Multiplying the coordinates of all points on a figure by the number k performs the transformation known as a Size Change of Magnitude k. The number k must always be positive to make a transformation be similar to its' pre image. True or False?

Answer 1

True.

Explanation:

True. A negative number k leads to a transformation known as reflection. Negative number k does not affect angles and increases distance between each pair of points in a factor of k.