Watch the video links below
http://www.khanacademy.org/math/integral-calculus/solid_revolution_topic/disc-method/v/disk-method-around-x-axis
http://www.khanacademy.org/math/integral-calculus/solid_revolution_topic/disc-method/v/generalizing-disc-method-around-x-axis
http://www.khanacademy.org/math/calculus/solid_revolution_topic/solid_of_revolution/v/solid-of-revolution--part-1
HW: Complete part 1 of all problems on the first two pages of the Volumes of Solids Packet. Also complete part a on the back page. Quiz 7.1 is tomorrow.