165-169 Bnaple* on Chapter VXL 



& (-, -6); into family eoMeft* .-dee of radiu. V7TP, M* 



3, O| a 6',, and F l /, ; <;, + AV - C, = <;, + /V - C*. 

 ' : JT*4J/ > . ft. J^-j-ayol3x, 6. 



i "be circle* are : 



The radical axes are i 

 8a-Sf a 36, 4*4- Cy = 0, 8x + 14*e 1 ; radical centrr (W 1 . - V>- 



f = 0, 4x--7y = 4J, 4x + ajfa21; (H, V)- 



!. 

 0. U. 



11. />y- x = 6', ax-6f = <i, 



14. (x - 1) + (j - !) = 74, (s-lA) + (f-6)'c: 



15. (.Tr-14)4(3y-4)t a :i6;S46rel7,3x+r=n.3*-a f 



is x* -f r 1 = 'i* + f if- (i. i). ' "i 



SI Sz< + > J^ + 40x~8&y-S = 0. 



SS. y = 2, x= 1, 4z-3y=10, 3x^4f = &. 



M. Tha radical axto U 2x4r = l theratiotoStT. 



M. (V* 2), i ; this point to the radical center. 



96. (r^-lXxt + ^-aCO + ar^x-JC^+Ai^jr-C^HC^^^. 

 where r to the given ratio and (a, 6) the filed point, IT. r = r(l + * 



. ;,. 



\ J 



IL (i, AV (-^4)5 <* 

 caee. Wi Vl/ \V1 V^/ 



and for three other point* in each 



33 Bqnatkmaof eidea of iiucribed triangle are i f-H=0, F 

 equatkMM of aktoa of drcomeeribed triangle are: jr = t. y = v^x-4; and 

 the lengths of the eidee are nxpectiTelj 8 V3 aad 4 Vl 



83. C'om|>an- Kxainj.lr :ft. 



M. Chorxlaarv: 2x^f = 4and2x + fa44. Nomakares 4x-3yft 



andy.2. 

 3ft. x>-. 

 H C> + y44x + 4y + SOL 37. 



