1.3 Distance and Midpoint Guided Notes.notebook
1
August 23, 2013
Aug 2811:08 AM
Warmup
•
Find the midpoint between the points (7,10) and
(13, 6)
•
Find the midpoint between the points (4,9) and
(6,17)
Aug 277:30 AM
Distance and
Midpoints
Lesson 1.3
Aug 277:30 AM
Distance/Length on a Number
Line
•
The
distance
between two points is the absolute
value of the difference between their coordinates.
A
B
x
1
x
2
AB =
Aug 277:30 AM
A
B
Find AB
Example
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8 7 6 5 4 3 2 1 0 1 2 3
A
B
C
D
E
Example
Find AC and EF
Find BC, DE, and BE
F
4 5 6
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Distance Formula
Find the distance between A (x
1
, y
1
) and B (x
2
,
y
2
)
AB =
A (x
1
, y
1
)
B (x
1
, y
1
)
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August 23, 2013
Aug 277:30 AM
Example
•
Find the distance between C(4, 6) and D(5, 1)
Aug 277:30 AM
Example
•
Find the distance between (5,3) and (2,8)
Aug 277:30 AM
Try
•
Find the distance between
1. C(4,8) and D(7,1)
2. E(4,1) and F(1,3)
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3D Coordinates
2D: (6, 7) Distance Formula =
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 Fall '13
 Blanchard
 Aug, Tier One, Scaled Composites, Midpoints, Midpoint Guided Notes.notebook

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