Question

????

Answer 1

first find the derivative of this function

Answer 2

can you do that?

Answer 3

implicit differentiation. Treat y as a function of x.

Answer 4

Yes I got 6x^2-3xy'(x)+3y^2y'(x)-3y

Answer 5

= 0

Answer 6

looks good

Answer 7

now its just algebra

Answer 8

Plugging in the points?

Answer 9

make y' the subject then plug in the points

Answer 10

y'(x)

Answer 11

do you know what I mean ?

Answer 12

Yeah like set everything equal to y'(x) right?

Answer 13

yea
- like solving for y'(x)

Answer 14

Okay I got -6x^2+3x/-3x3y^2=y'(x)

Answer 15

now its just a matter of plugging in the given values of x and y

Answer 16

There was an error I think my formula is wrong

Answer 17

yes i got a different result foe y'(x)

Answer 18

I got -18

Answer 19

i get -11/7

Answer 20

i might have it wrong as I'm getting tired.

Answer 21

Let me try it again

Answer 22

Oh wait yeah I see where I went wrong I plugged in the wrong points but I got -11/7 now

Answer 23

Thank you!!!!