Question

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)

Related Questions

I need help-I do not understand. The question is this: Write 2x+y=5 in polar form. By followin... Find the length in the first quadrant of the circle described by the polar equation r=(2 sin theta)... Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) . F... Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) . Fi...