Question

use implicit differentiation to find the equation of the line tagent to x2+y2=4 at the point (0,2)

Answer 1

its what i get

Answer 2

how did you get that?

Answer 3

with a calculator

Answer 4

I'm completely lost. what did you even plug in?

Answer 5

x2+y2=4 at the point (0,2) this

Answer 6

i xan post a pic if it helps

Answer 7

i do math fun

Answer 8

yeah I tried mathway and it didn't help at all.

Answer 9

no i dont do mathway i mean my math is fun

Answer 10

did my pic help?

Answer 11

i can give u something that explains an equation completely

Answer 12

ittl explain it just like the pic though

Answer 13

its not just that like my online class isn't explaing how it wants the answer submitted and im just confused on how to enter it in as well.

Answer 14

ok post a pic of your entering thing

Answer 15

did i get it right though

Answer 16

?

Answer 17

i got it wrong didnt I

Answer 18

sorry im trying to attach the snap shot.

Answer 19

oh did i get it right?

Answer 20

that im not too sure

Answer 21

oh

Answer 22

my pfp is my face now

Answer 23

Hello?

Answer 24

it won't let me attachthe file

Answer 25

clare

you need to do \(\dfrac{d}{dx} (x^2 + y^2)= \dfrac{d}{dx} (4)\)
RHS is clearly zero
on LHS you should know \(\dfrac{d}{dx} (x^2 )\)

for \(\dfrac{d}{dx} (y^2 )\) use chain rule \(\dfrac{d}{dx} (y^2 ) = \dfrac{d}{dy} (y^2 ) \dfrac{dy}{dx}\)