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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): • (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): • (x + 2)² + (y-4)² = 40

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section9.1: Systems Of Equations
Problem 27E
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Explain which side is done correctly and why you choose that side thanks

● 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 7.03 (bonus video): Completing the Square: Which is done correctly? Explain ● ● ● ● 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:● 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 7.03 (bonus video): Completing the Square: Which is done correctly? Explain ● ● ● ● 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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