1. Calculate the slope of each line using the points given. Graph each of the lines and determine if each is a positive or negative relationship. If you use graph paper, please take a photo and upload to your document. 2. Which graph(s) can not be a true measure of density? Why?

a. (24cm3, 6.0g), (12cm3, 24g)

b. (5.0cm3, 6.0g), (13cm3, 15g)

c. (5.0cm3, 4.0g), (25cm3, 24g)

d. (24 cm 3 , 8.0 g), (12 cm 3 , 22 g)