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?