Register
The equation for the circle is: x2+y2+14x+10y−7=0 . What is the center of the circle?
187k views
5 votes
The equation for the circle is:

x2+y2+14x+10y−7=0 .



What is the center of the circle?

User Juninho Cruz
by
8.5k points

1 Answer

1 vote
use completion of sq method
x^2+y^2+14x+10y-7=0
(x+7)^2+(y+5)^2=7+49+25
(x+7)^2+(y+5)^2=81
so centre is(-7,-5) radius is9
User Ahmed Akhtar
by
8.4k points
← Prev Question Next Question →

Related questions

User Shane Bell
asked Feb 12, 2018 101k views
The equation for the circle is: x^2 + y^2 +14x+10y−7=0 .   What is the center of the circle?
Shane Bell asked Feb 12, 2018
by Shane Bell
8.2k points
1 answer
4 votes
101k views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
Link Copied!