Posted by **asaereay** on Friday, November 2, 2012 at 8:15am.

find the equation of the tangent line to f(x)=square root x passing through (-4,0)

- AP Calc. -
**Reiny**, Friday, November 2, 2012 at 8:26am
y = √x = x^(1/2)

dy/dx = (1/2)x^(-1/2) = 1/(2√x)

so at (-4,0), dy/dx = 1/2√-4 ----> undefined in the real numbers

uh uh!!

look at y = √x, the point (-4,0) does not lie on your curve, so ...... bogus question

check your typing

## Answer this Question

## Related Questions

- Calculus - Find the equation of the line tangent to the function f(x)= square ...
- gggg - what are the equation of a line through (8,-3) and passing distance ...
- HS Calculus - Definition of the derivative to calculate f'(x) if f(x) = square ...
- Math - I have a series of questions that I did. They lead up to the last ...
- math - i have more than one question so if u no any of the answers please tell ...
- AP Calc - Find the equation of the tangent line at the indicated point. y=5th ...
- AP Calc-easy ? - Given: f(x)= x^3 + x^2 - 2x over the closed interval [0,2] ...
- calculus - Find an equation of the line that is tangent to the graph f and ...
- Analytic Geometry - Find the equation of a circle passing through (3,7) and ...
- Analytic Geometry - Find the equation of a circle passing through and tangent to...

More Related Questions