1notesnotebook september262013

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Unformatted text preview: ebook September 26, 2013 YOUR TURN Solve the system graphically 4x – 3y = ­15 x + 2y = ­1 5 a2 ch 3 3.1 notes.notebook September 26, 2013 Ex: Solve the system graphically. 2x + 4y = 12 x + 2y = 6 • 1st equation • 2ND equation What does this mean? the 2 equations are for the same line! • Infinitely many solutions Ex: Solve graphically: x – y = 5 2x ­ 2y = 9 • 1st equation: Solve for y • 2nd equation: Solve for y • What do you notice about the lines? • They are parallel! Go ahead, check the slopes! • No solution! 6 a2 ch 3 3.1 notes.notebook September 26, 2013 7...
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This document was uploaded on 03/17/2014 for the course MATH Algebra 2 at Carlisle High School, Carlisle, OH.

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