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I. x 2 - 5 x + 4. I. x 2 - 5 x + 4. x. x. I. x 2 - 5 x + 4. x. +4. +2. +1. - 4. - 2. - 1. x. +1. +2. +4. - 1. - 2. - 4. I. x 2 - 5 x + 4. x. +4. +2. +1. - 4. - 2. - 1. x. +1. +2. +4. - 1. - 2. - 4. I. x 2 - 5 x + 4. x. +4. +2. +1. - 4. - 2. - PowerPoint PPT Presentation
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x2 - 5x + 4
I
x2 - 5x + 4
x
x
I
x2 - 5x + 4
x
x
I
+4
+1
+2
+2
+1
+4
-1-4 -2
-4-1 -2
x2 - 5x + 4
x
x
I
+4
+1
+2
+2
+1
+4
-1-4 -2
-4-1 -2
x2 - 5x + 4
x
x
I
+4
+1
+2
+2
+1
+4
-1-4 -2
-4-1 -2
x2 - 5x + 4
-1
-4
x
x
I
+4
+1
+2
+2
+1
+4
-1-4 -2
-4-1 -2
x2 - 5x + 4
-1
-4
x
x
-4x -x
I
+4
+1
+2
+2
+1
+4
-1-4 -2
-4-1 -2
x2 - 5x + 4 = (x-4)(x-1)
-1
-4
x
x
-4x -x
I
+4
+1
+2
+2
+1
+4
-1-4 -2
-4-1 -2
2x2 + 5x - 12
II
2x2 + 5x - 12
x
2x
II
2x2 + 5x - 12
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
x
2x
II
+12
-1
+6
-2
+4
-3
+1+3 +2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+3 +2
+3
+3
2x2 + 5x - 12
-1
+12
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
-1
+12
x
2x
+12x -2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
-2
+6
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
-2
+6
x
2x
+6x -4x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
-3
+4
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
-3
+4
x
2x
+4x -6x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
+12
-1
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
+12
-1
x
2x
-x +24x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
+6
-2
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
+6
-2
x
2x
-2x +12x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
+4
-3
x
2x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12
+4
-3
x
2x
-3x +8x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
+3
+3
2x2 + 5x - 12 = (2x-3)(x+4)
+4
-3
x
2x
-3x +8x
II
+12
-1
+6
-2
+4
-3
+1+2
-12-4 -6
-1 -2 -3 -12-4 -6
+12 +6 +4 +1+2
3x2 - 10x - 8
III
3x2 - 10x - 8
x
3x
III
3x2 - 10x - 8
x
3x
III
+8
-1
+4
-2
+2
-4
+1
-8
-1 -2 -4 -8
+8 +4 +2 +1
3x2 - 10x - 8
x
3x
III
+8
-1
+4
-2
+2
-4
+1
-8
-1 -2 -4 -8
+8 +4 +2 +1
3x2 - 10x - 8
-2
+4
x
3x
III
+8
-1
+4
-2
+2
-4
+1
-8
-1 -2 -4 -8
+8 +4 +2 +1
3x2 - 10x - 8
-2
+4
x
3x
+4x -6x
III
+8
-1
+4
-2
+2
-4
+1
-8
-1 -2 -4 -8
+8 +4 +2 +1
3x2 - 10x - 8
x
3x
III
+8
-1
+4
-2
+2
-4
+1
-8
-1 -2 -4 -8
+8 +4 +2 +1
3x2 - 10x - 8
-4
+2
x
3x
III
+8
-1
+4
-2
+2
-4
+1
-8
-1 -2 -4 -8
+8 +4 +2 +1
3x2 - 10x - 8
-4
+2
x
3x
+2x -12x
III
+8
-1
+4
-2
+2
-4
+1
-8
-1 -2 -4 -8
+8 +4 +2 +1
3x2 - 10x - 8 = (3x+2)(x-4)
-4
+2
x
3x
+2x -12x
III
+8
-1
+4
-2
+2
-4
+1
-8
-1 -2 -4 -8
+8 +4 +2 +1
IV
課本p.136
p.137
p.139
p.140
p.146
習作
例題 1 - 隨堂練習 (2)
例題 2 - 隨堂練習
例題 3 - 隨堂練習 (1)
例題 4 - 隨堂練習
自我評量 - (2)~(6)
( 4)(2 3(1) )x x
(1) (2)( 5)( 6) ( 1)( 2)x x x x
( 2)((2 9) )x x
2(2)
(3)
(4)
( 3)
( 3)( 12)
( 4)
(5
( 9)
)
(
( 4)(3 7)
( 3) 4) 5 )6 (
x
x x
x x
x x
x x
(1) (2)( 9)(2 1) ( 5)(2 1)x x x x
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