calculus
posted by jane .
PLEASE write 2x+y=5 in polar form.
a. sqrt5 = r cos (theta 27degrees)
b. sqrt5 = r cos (theta 27degrees)
c. sqrt5 = r cos (theta +27degrees)
d. sqrt5 = r cos (theta +27degrees)
is the answer c.

my polar equation would be
2rcosØ + rsinØ = 5
r(2cosØ + sinØ) = 5
r = 5/(2cosØ + sinØ)