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● 7.03 (bonus video): Completing the Square: Which is done correctly? Explain x² + y² + 2x - 4y - 20 = 0 (x² + 2x) + (y² - 4y) = 20 (x + 1)2 + (y-2)² = 20 + 1² + (-2)² (x + 1)2(y-2)² = 25 x² + y² + 2x - 4y - 20 = 0 (x² + 2x) + (y²-4y) = 20 (x + 2)² + (y-4)² = 20 +2²+(-4)² (x + 2)² + (y-4)² = 40

● 7.03 (bonus video): Completing the Square: Which is done correctly? Explain x² + y² + 2x - 4y - 20 = 0 (x² + 2x) + (y² - 4y) = 20 (x + 1)2 + (y-2)² = 20 + 1² + (-2)² (x + 1)2(y-2)² = 25 x² + y² + 2x - 4y - 20 = 0 (x² + 2x) + (y²-4y) = 20 (x + 2)² + (y-4)² = 20 +2²+(-4)² (x + 2)² + (y-4)² = 40

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
6th Edition
ISBN:9781337111348
Author:Bruce Crauder, Benny Evans, Alan Noell
Publisher:Bruce Crauder, Benny Evans, Alan Noell
ChapterA: Appendix
SectionA.7: Quadratic Functions And Complex Numbers
Problem 2P
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● ● 7.03 (bonus video): Completing the Square: Which is done correctly? Explain x² + y² + 2x - 4y - 20 = 0 (x² + 2x) + (y² - 4y) = 20 (x + 1)² + (y-2)² = 20 + 1² + (-2)² (x + 1)(y-2)² = 25 x² + y² + 2x - 4y - 20 = 0 (x² + 2x) + (y² - 4y) = 20 (x + 2)² + (y-4)² = 20 +2²+(-4)² (x + 2)² + (y-4)² = 40
Transcribed Image Text:● ● 7.03 (bonus video): Completing the Square: Which is done correctly? Explain x² + y² + 2x - 4y - 20 = 0 (x² + 2x) + (y² - 4y) = 20 (x + 1)² + (y-2)² = 20 + 1² + (-2)² (x + 1)(y-2)² = 25 x² + y² + 2x - 4y - 20 = 0 (x² + 2x) + (y² - 4y) = 20 (x + 2)² + (y-4)² = 20 +2²+(-4)² (x + 2)² + (y-4)² = 40
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