Warm Up
For questions 1 – 6, use the given graph and scenario:
A club is selling snacks at a track meet. Oranges cost $1 each and protein bars cost $4 each. They sell a total of 100 items, and collect $304.
1.
What do you notice?
Compare your answer:
Your answer may vary, but here is a sample.
- There are two lines.
- It’s about snacks.
- The lines intersect.
- The point of intersection is labeled .
- The sum of 32 and 68 is 100.
2.
What do you wonder?
Compare your answer:
Your answer may vary, but here is a sample.
Things students may wonder:
- What does each line mean?
- What does the point of intersection mean?
- Where can you see the information from the problem on the graph?
3.
What is the approximate –intercept of the green dashed line?
76
4.
What is the approximate slope of the green dashed line?
5.
What is the approximate -intercept of the orange solid line?
100
6.
What is the approximate slope of the orange solid line?
Compare your answer:
Your answer may vary, but here is a sample. -1