Register
The equation for the circle is: X^2 + y^2 - 12x + 6y - 19 = 0 What is the center of the circle? A. (-6, 3) B. (12, -6) C. (6, -3) D. (-12, 6)
228k views
4 votes
The equation for the circle is:

X^2 + y^2 - 12x + 6y - 19 = 0

What is the center of the circle?

A. (-6, 3)
B. (12, -6)
C. (6, -3)
D. (-12, 6)

User TiagoDias
by
7.0k points

1 Answer

4 votes

Answer:

C. (6, -3)

Explanation:

The x- and y-coordinates are the opposite of half the corresponding linear term coefficient:

-(-12, 6)/2 = (6, -3)

This can be confirmed using a graphing calculator.

The equation for the circle is: X^2 + y^2 - 12x + 6y - 19 = 0 What is the center of-example-1
User Robin Fisher
by
6.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.8m questions

9.0m answers

Other Questions

What is the least common denominator of the four fractions 20 7/10 20 3/4 18 9/10 20 18/25
A pair of dice is rolled, and the number that appears uppermost on each die is observed. Refer to this experiment and find the probability of the given event. (Enter your answer as a fraction.) One die
Paul bought a student discount card for the bus. The card allows him to buy daily bus passes for $1.60. After one month, Paul bought 23 passes and spent a total of $45.80. How much did he spend on the
Which of the following comparisons is false? 5° c is warmer than 5°f. 15° c is cooler than 60° f. 30° c is warmer than 90° f. 35° c is cooler than 100° f.
What is 0.12 expressed as a fraction in simplest form
Link Copied!