Find the Center and Radius of the Circle $$x ^ { 2 } + y ^ { 2 } + 10 x - 8 y - 8 = 0$$

question 303

Multiple Choice

Find the center and radius of the circle.
- $$x ^ { 2 } + y ^ { 2 } + 10 x - 8 y - 8 = 0$$

• A) center: \(( - 5,4 )\); radius: 7
• B) center: \(( 4 , - 5 )\); radius: 7
• C) center: \(( - 4,5 )\); radius: 49
• D) center: \(( 5 , - 4 )\); radius: 49

---

Definitions:

National Survey

A research study conducted to collect data from a specific population or group within a nation to gain insights or information on various topics.

Rejection Region

The rejection region is the range of values of the test statistic that leads to rejection of the null hypothesis in a statistical hypothesis test.

Students

Individuals engaged in the pursuit of education, usually within an academic institution such as a school or university.

Heart Attack

A medical condition occurring when the flow of oxygen-rich blood to a section of the heart is blocked, often resulting in damage to the heart muscle.