Find the Center and Radius of the Circle with the Given

question 82

Multiple Choice

Find the center and radius of the circle with the given equation.
- $$x ^ { 2 } + 8 x + 16 + ( y + 9 ) ^ { 2 } = 81$$

• A)Center (-4, -9), r = 9
• B)Center (4, 9), r = 81
• C)Center (-9, -4), r = 9
• D)Center (9, 4), r = 81

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Definitions:

BIOS

Basic Input/Output System, BIOS, is firmware used to perform hardware initialization during the booting process and to provide runtime services for operating systems and programs.

UEFI

Unified Extensible Firmware Interface, a modern software designed to replace the traditional BIOS firmware, providing a standardized interface for operating systems and the platform firmware.

Boot Sequence

Boot Sequence is the order in which a computer's hardware and software components are initialized during the startup process.

UPS

Uninterruptible Power Supply, a device that provides emergency power to a load when the input power source, typically mains power, fails.