Friday

December 19, 2014

December 19, 2014

Posted by **nanuna** on Friday, January 4, 2013 at 3:09pm.

- maths -
**Steve**, Friday, January 4, 2013 at 3:37pmyou want a tangent with slope -4/3

the circle is

(x-3)^2 + (y+2)^2 = 25

2(x-3) + 2(y+2)y' = 0

y' = -(x-3)/(y+2)

when y' = -4/3, 3x = 4y+17

this occurs at (7,1) and (-1,-5)

The tangents are thus

4x+3y = 6±25

**Answer this Question**

**Related Questions**

Math (Pre Cal) - Hi, I am studying for a precalculus quiz and I do not ...

Geometry - Prove that the tangents to a circle at the endpoints of a diameter ...

maths - 1) Circle centre (7,-2) passes through (-2,10). Calculate radius and ...

maths - given the equation of the curve as y=8-2x^2 (a) find equations of ...

maths - Given that the equation of the circle is x^2+y^2+2x-8y+5=0 (i)find the ...

maths - Given that the equation of the circle is x^2 + y^2 +2x -8y+5 =0 (i)Find ...

Alg2 - The tangent to a circle may be defined as the line that intersects the ...

Calculus - Maths - I got a few questions. Hope ya'll can help out. 1) for F(X...

calc - standard equation of circle concentric with X^2+Y^2-2X-8Y+1=0 and tangent...

mathematics - The circle x2-2x+y2-4y-4=0 lies on the cartesian plane,question 2....