Find the Center and the Length of a Radius of the Circle

question 32

Multiple Choice

Find the center and the length of a radius of the circle. x ² + y ² - 8 x + 2 y = 0

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Definitions:

Net Profit

The actual profit after all expenses and taxes have been deducted from total revenue.

Disinfectants

Substances used to kill or inhibit the growth of harmful microorganisms on surfaces, objects, or skin.

Hydrogen

A colorless, odorless, tasteless, and highly flammable diatomic gas that is the simplest and lightest element, often used in chemical reactions and as a potential clean energy source.

Oxygen

A chemical element with symbol O and atomic number 8, essential for most forms of life and a critical component of the Earth's atmosphere.