Question

what is the slope of the curve x^3 + x^2 y +y^3 = 9 at (-1,2)?
a.1/12
b. 1/14
c. 1/13
d.1/15

Answer 1

6.06am in my clock ouch 1pm class

Answer 2

3x^2+2xy+x^2y'+3y^2*y'=0 so when you plug in x=-1 and y=2 you get 3-4+y'+12y'=0 so 13y'=1 and your answer is 1/13 so c....

Answer 3

kingkos are you here? :D

Answer 4

thank you nenad! and sorry about yesterday it 6.06am in my clock that time XD i need to sleep and get some energy.