Ord Maths Q.3 Paper 2..HELP!

floutingmaxims

Ive looked at the solutions and cant make head nor tail of it..

Its part b)
(b) The circle c has equation x(sq) + y(sq) = 17.
l is the line x – 4y – 17 = 0.
The line l is a tangent to c at the point T.

(i) Find the co-ordinates of T.
(ii) The point T is one end-point of a diameter of c.
Find the co-ordinates of the other end-point

Any takers to baby me through this so i can understand it? Eircom study hub has NOTHING helpful for Paper 2!!!

GoldFour4

Cawcheen wrote: »

Ive looked at the solutions and cant make head nor tail of it..

Its part b)
(b) The circle c has equation x(sq) + y(sq) = 17.
l is the line x – 4y – 17 = 0.
The line l is a tangent to c at the point T.

(i) Find the co-ordinates of T.
(ii) The point T is one end-point of a diameter of c.
Find the co-ordinates of the other end-point

Any takers to baby me through this so i can understand it? Eircom study hub has NOTHING helpful for Paper 2!!!

What year is it? Anyway this site is a bible. http://www.studentxpress.ie/ordinary/ordcircle.htm

floutingmaxims

malachyscott wrote: »

What year is it? Anyway this site is a bible. http://www.studentxpress.ie/ordinary/ordcircle.htm

Thanks so much! That site is brilliant.. i was using the marking scheme before and i couldnt understand it! Cheers again