Write the equation for the line tangent to the circle x2 + y2 = 29 at the point (2, 5).

Question

anonymous · Answer

Can someone help me?

campbell_st · Answer

ok... rewrite the equation of the circle with y as the subject... leave you answer in index form. 

doing this will allow you to find the 1st derivative.

anonymous · Answer

would it be y-2=-2/5x-5

campbell_st · Answer

nope how about 

$$y = (29 - x^2)^{\frac{1}{2}}$$

so can you find the 1st derivative of the equation..?

anonymous · Answer

I dont understand it at all then.

campbell_st · Answer

ok... so are you doing calculus at the moment...?

anonymous · Answer

nope algerbra 2

campbell_st · Answer

ok... well for me... this is a calculus question, have you done any calculus...?

anonymous · Answer

nope not at all do you want me to give you the choices i was told?

campbell_st · Answer

yep go on...

anonymous · Answer

y-5=-2/5x+2

y-2=-2/5x+1

y-5=-2/5(x-2)

anonymous · Answer

and then the one i posted earlier

campbell_st · Answer

its the last choice.... I hope they give you solutions.... so you can see how it was done...

anonymous · Answer

so the bottom one of the three i posted together?

campbell_st · Answer

yep.... thats the solution.

anonymous · Answer

Thank You.