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Visual Diagrams

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Visual Diagrams (x 4) y (y 1) (y 1) (x 1) y (x 4) 2x 2x ... Distributive Property. 5.) 4 - (2x - 7) 6.) 6 -3(5x - 7) 7.) 2x-7(x 3) ... – PowerPoint PPT presentation

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Title: Visual Diagrams


1
Visual Diagrams
Remember that perimeter is the sum of ALL the
sides
  • Write an expression for the perimeter

b - 2a
a
a
a
a
b - 2a
b - 2a
a
a
a
a
b - 2a
2
Visual Diagrams
  • (b-2a) a a (b-2a) a a(b-2a) a a
    (b-2a) a a
  • 4 (b-2a) 8 a
  • 4b - 8a 8a
  • 4b

3
Visual Diagrams
  • Write an expression for the perimeter

You try this one.
x 4
2x
y
y 1
y1
y 1
2x
y
x 4
4
Visual Diagrams
  • (x 4) y (y1) (y1) (x1) y (x4)
    2x 2x
  • 2(x 4) 3(y 1) 2y 4x
  • 2x 8 3y 3 2y 4x
  • 6x 5y 11

5
Visual Diagrams
  • Write an expression for the perimeter

a 2b
a 2b
2a - b
2a - b
4-2b
a 2b
a 2b
4-2b
2a - b
2a - b
6
Visual Diagrams
  • (a 2b) (a 2b) (2a - b) (4 - 2b) (2a
    - b) (a 2b) (a 2b) (2a - b) (4 - 2b)
    (2a - b)
  • 4(a 2b) 4(2a - b) 2(4 - 2b)
  • 4a 8b 8a - 4b 8 - 4b

12a 8
7
Distributive Property
  • 1.) 6(3x - 5)
  • 2.) -(2x - 8)
  • 3.) -7(3x 7)
  • 4.) 2 4(5x - 3)

8
Distributive Property
  • 5.) 4 - (2x - 7)
  • 6.) 6 -3(5x - 7)
  • 7.) 2x-7(x 3)
  • 8.) 2(3x - 5y) 4(5x - 3)

9
Answers
  • 1.) 18x - 30
  • 2.) -2x 16
  • 3.) -21x - 49
  • 4.) 20x -10

10
Answers
  • 5.) -2x 11
  • 6.) -15x 27
  • 7.)-5x - 21
  • 8.) 26x -10y -12
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