Feb 20-23
Grade 7 Problem of the Week Feb. 20-23 Use Graph Paper
The cost of a gourmet sandwich is shown.
a) Write a relation that relates the number of toppings to the total cost of a sandwich.
b) Use the table to draw a graph that relates the cost of a sandwich to the number of toppings. (make sure label the graph)
c) Use the graph to find the cost of a sandwich with 8 toppings (show or explain how you used the graph to find the answer).
d) Does it make sense to join the points with a straight line? Why or why not?
2. Lance is studying the growth of a plant in the woods for his science project. His observations for the plant are given.
a) Find the height of the plant for week 2.
b) Write a relation that relates the number of weeks to the size of the plant.
c) Use the table to draw a graph that relates the height of the sunflower to the number of weeks. (make sure label the graph)
d) Does it make sense to join the points with a straight line? Explain why or why not?