Jude and Yin each chose two points on the graphed line below and drew right triangles to find the slope of the line. Use their triangles to answer a-d.

A. Use Jude’s points to set up and simplify the slop formula below.

B. Use Yin’s points to set up and simplify the slope formula below.

C. How are the two triangles related to one another?

D. What can we assume about the slope between any two points on the same line? Explain.