Unit 3 - Lesson 5 - Grade 8: Illustrative Mathematics

How many cups are needed for a stack with a height of 50 cm?

What are some ways you can tell that the number of cups is not proportional to the height of the stack?

What is the slope of the line in your graph?

What does the slope mean in this situation?

At what point does your line intersect the vertical axis?

What do the coordinates of this pointtell you about the cups?

Explain how you know.