### Home > CCAA > Chapter 7 Unit 9 > Lesson CC3: 7.2.2 > Problem 7-49

7-49.

Compare the graphs of lines A, B, and C at right.

Which line has the greatest slope? Justify your answer.

Which line increases most sharply?

Line A

What is the

-value of line A when?Locate line A and

on the graph. What is the

-coordinate of the point on the graph?

Compare the slopes of lines B and C.

The lines are parallel. Parallel lines have the same change in

for the same change in.