Mathematic Quiz 7

Question:

Find the equation of the lines passing through the point (12,5) and touch the circle x² + y² – 14x – 10y + 58 = 0.

(Note : Equations of tangent lines passing through a point exterior of circles)

Terms and conditions:

1. Write about your answer, name, class and handphone number.

2. Send via email to imamtoifur@yahoo.com with subject Mathematic Quiz 7 or sms to 081328899843.

3. Mathematic Quiz 7 is closed on June 30, 2009.

4. You are rewarded for your effort by 2 unit pulse @Rp 20.000,00.

5. Each student only sends one answer.

6. Only eSeMAN1S's students are permitted to send this Mathematic Quiz.

7. See you and good luck.

Mathematic Quiz 6
Answer :
a. 242/351
b. 109/351
Please click here for details.
Winner : Erna Rahayu (XII IA1)