Find the Center (H, K) and Radius R of the Circle

question 226

Multiple Choice

Find the center (h, k) and radius r of the circle with the given equation.
- $$x ^ { 2 } - 4 x + 4 + y ^ { 2 } + 16 y + 64 = 9$$

• A) \(( \mathrm { h } , \mathrm { k } ) = ( - 8,2 ) ; \mathrm { r } = 3\)
• B) \(( \mathrm { h } , \mathrm { k } ) = ( 2 , - 8 ) ; \mathrm { r } = 3\)
• C) \(( h , k ) = ( 8 , - 2 ) ; r = 9\)
• D) \(( \mathrm { h } , \mathrm { k } ) = ( - 2,8 ) ; \mathrm { r } = 9\)

Grasp the concept of coherence in relation to message readability.

Identify the reasons for the violations of unity in sentence constructions.

Recognize techniques to tie information together in a paragraph.

Know basic techniques for shortening sentences to improve readability.

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Definitions:

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The phenomenon where the presence of a group can lead to decisions and opinions becoming more extreme in the direction of the group's pre-existing tendencies.

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