On the map of an amusement park on a coordinate grid, the skating rink is at (−0.5, −1).
2 answers:
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Start with the point-slope form: .
Then you substitue in the slope and coordinates from the point:
You don't do a lot of clean up to the form, with the exception of turning "minus negative 7" into "plus 7".
Thar be yer answer!
Parameterize the part of the sphere by
with
and 
. Then
So the area of
(the part of the sphere above the cone) is given by
with
So the area of