### Home > GC > Chapter 4 > Lesson 4.2.3 > Problem 4-72

4-72.

**Examine** the graph at right with slope triangles A, B, and C.

Find the slope of the line using slope triangle A, slope triangle B, and then slope triangle C.

Remember that slope is rise over run.

Hernisha’s slope triangle has a slope of

. What do you know about her line? What do the slopes of two different lines tell you about how they are related?