Question

convert polar to rectangular:

r=8cos(theta)-10sin(theta)

r^2=8rcos(theta)-10rsin(theta)

then does it go into x^2+8x and y^2-10y and complete the square? no idea if thats right...

Answer 1

yea just leave like that imo o-o..

Answer 2

so (x+4)^2+(y-5)^2=41?

Answer 3

r=radical 41

Answer 4

wait a bit

Answer 5

x^2 +y^2 = 8x - 10y
x^2 - 8x = -y^2 - 10y -25 + 25
(x-4^)2 -16 =- (y+5)^2 + 25
(x-4)^2 + (y-5)^2 = 41

k now i'm 100% positive that this's right

Answer 6

shouldnt it be x+4? because its x^2+8 and 8/2=4, 4^2=16

Answer 7

just kidding i got it.

Answer 8

its y+5