Different Pizza Orders

Visit the website http://www.ecst.csuchico.edu/~pizza/ to create and view Internet Pizzas. 

Grade 9: Outcome C1- represents patterns and relationships in a variety of formats and use these representations to predict or justify unknown values. 

1.	Ordering pizza on the Internet can result in various different charges. Is there a relationship between the number of toppings on your pizza compared to the price? How would you describe this relationship? ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

2.	Is it a predictable relationship? Explain your answer. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

If the following prices were given at the local PIZZA PIE store what kind of information could you take from it? 

Could you predict the price of your ultimate pizza pie?

Size	Base Price	Price per Topping	
Small	$6.00	$0.80	
Medium	$10.00	$1.05	
Large	$13.00	$1.75	
Family	$18.00	$2.50	

Make a table of costs for ordering the following pizzas with a range of zero toppings to 6 toppings.

Medium Pizza:    
# of toppings	Price	
0		
1		
2		
3		
4		
5		
6		
Family Pizza:
# of toppings	Price	
0		
1		
2		
3		
4		
5		
6		

Graph the two sets of data on the same graph. The horizontal axis (x axis) will have the # of toppings and the vertical axis (y axis) will display the cost of the pizza?
Label your axes clearly .

																																			

																																			

																																			

																																			

																																			

																																			

																																			

																																			

What do you notice about your two graphs?
____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
____________________________________________________________________________________

Could you graph a small and large pizza prices on the same graph? Make a table of prices first if you need to.

http://www.ecst.csuchico.edu/~pizza/