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Answers to Homework

Answers to Homework. 4) 7/3 6) 1/5 8) Undefined Slope 10) -9/2 12) -3, 2√10 14) -2/11, 5√5 24) x = 3. 13-3 Parallel and Perpendicular Lines. Answers to Warm Ups -1/2 2/3 -2/5 0 Undefined. Slope. Parallel Lines have the SAME slope Example: 2 and 2

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Answers to Homework

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  1. Answers to Homework 4) 7/3 6) 1/5 8) Undefined Slope 10) -9/2 12) -3, 2√10 14) -2/11, 5√5 24) x = 3

  2. 13-3 Parallel and Perpendicular Lines Answers to Warm Ups -1/2 2/3 -2/5 0 Undefined

  3. Slope • Parallel Lines have the SAME slope • Example: 2 and 2 3 3 • Perpendicular Lines have OPPOSITE and RECIPROCAL slopes • Example: 2 and -3 3 2 • Lines are NEITHER parallel nor perpendicular if they intersect at an angle other than 90°

  4. TOO: Are they Parallel, Perpendicular or Neither? 1) 3, -1/3 2) 3, 3/1 Perpendicular Parallel 3) 1/4, 4 4) 1, -1 Neither Perpendicular 5) -3/4, 12/9 6) -1/2, 1/2 Perpendicular Neither 7) 6/9, 16/24 8) -1/3, 1/(-3) Parallel Parallel 9) 2/3, 6/8 10) Undefined, 0 Neither Perpendicular

  5. Homework • Page 536 • Classroom Exercises #1-9

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