Which of the following are rigid motion transformations?

rotation
reflection
dilation
translation
similarity

Karianne and lucius are analyzing a linear function on a graph. karianne says that unit rate is equal to rate of change, but that slope is calculated differently. lucius says that unit rate, rate of change, and slope are calculated the same way. who is correct? explain your answer.

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

What are “like terms”? why can we only add like terms?