warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x =...

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Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3. 5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2AM AB = 2(5x – 2) AB = 2(5*4 – 2) = 2(18) AB = 36

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Page 1: Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3.5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2 AM AB

Warm-upWarm-up

1. 3x = 8x – 15

0 = 5x – 15

15 = 5x

x = 3

2. 6x + 3 = 8x – 14

3 = 2x – 14

17 = 2x

x = 8.5

3. 5x – 2 = 3x + 6

2x – 2 = 6

2x = 8

x = 4

AB = 2AM

AB = 2(5x – 2)

AB = 2(5*4 – 2) = 2(18)

AB = 36

Page 2: Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3.5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2 AM AB

5.2: Use Perpendicular Bisectors5.2: Use Perpendicular Bisectors

A line segment (or line or ray) is a perpendicular bisector iff it is perpendicular to another segment at its midpoint

Page 3: Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3.5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2 AM AB

equidistant

CB

Page 4: Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3.5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2 AM AB

AB

4x 7x - 6

2

4x 4(2) 8

Page 5: Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3.5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2 AM AB
Page 6: Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3.5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2 AM AB

Check Points #1 and 2Check Points #1 and 2

Page 7: Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3.5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2 AM AB
Page 8: Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3.5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2 AM AB
Page 9: Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3.5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2 AM AB

Work these out now!Work these out now!

2x = 5x – 6

0 = 3x – 6

6 = 3x

x = 2

AB = 4

3x + 8 = 7x – 16

8 = 4x – 16

24 = 4x

x = 6

AB = 26

6x + 11 = 11x – 9

11 = 5x – 9

20 = 5x

x = 4

AB = 35

Page 10: Warm-up 1.3x = 8x – 15 0 = 5x – 15 15 = 5x x = 3 2.6x + 3 = 8x – 14 3 = 2x – 14 17 = 2x x = 8.5 3.5x – 2 = 3x + 6 2x – 2 = 6 2x = 8 x = 4 AB = 2 AM AB

Homework Homework Pg 306/1-17