Tuesday

September 16, 2014

September 16, 2014

Posted by **karen** on Thursday, March 1, 2012 at 11:59pm.

Find the slope of the tangent line to the curve xy^3 + 2y - 0.76 =0 at the point (-3, o.7)

I'm lost.

so 3xy^2 * y' + 2y = 0 right?

- Calculus AP -
**Steve**, Friday, March 2, 2012 at 2:25pmnot quite.

xy^3 + 2y - 0.76 =0

y^3 + 3xy^2 y' + 2y' = 0

y' = -y^3/(3xy^2 + 2)

xy^3 is a product f*g

(f*g(' = f'g + fg'

at (-3,0.7) y' = -.7^3/(3(-3)(.7^2) + 2)

= . . .

**Answer this Question**

**Related Questions**

Calculus ap - Use implicit differentiation to find the slope of the tangent line...

Calculus - (y/(x+9y))= (x^2)-7 at the point (1, -6/55) Use implicit ...

calculus - Use implicit differentiation to find the slope of the tangent line to...

Calculus - Use implicit differentiation to find the slope of the tangent line to...

calculus; implicit differentiation - Use implicit differentiation to find the ...

Calculus Please help! - Use implicit differentiation to find the slope of the ...

Math (Calculus) - Use implicit differentiation to find the slope of the tangent ...

Implicit Differentiation - Use implicit differentiation to find the slope of the...

Calculus - Use implicit differentiation to find the slope of the tangent line to...

Math - Use implicit differentiation to find the slope of the tangent line to ...