Question

How do you convert `y= -x^2+3xy-4` into a polar equation?

Answer 1

`r^2costheta(3sintheta-1) +rsintheta+4=0`

Explanation:

Substitute:

`x=rcostheta`
`y=rsintheta`

`rsintheta = -r^2costheta +3r^2sinthetacostheta-4`

or:

`r^2costheta(3sintheta-1) +rsintheta+4=0`