Post on 26-Jan-2016
description
(x+1)2 + 9(x+1) + 8
I
(x+1)2 + 9(x+1) + 8
I
(x+1)2 + 9(x+1) + 8
(x+1)2 + 9(x+1) + 8
I
A A
I
A
A
(x+1)2 + 9(x+1) + 8
(x+1)2 + 9(x+1) + 8
A A
I
A
A +1+8
+1
+4
+2
+2
+4
-2-1
-4+8 -8
-4 -8
-2 -1
(x+1)2 + 9(x+1) + 8
(x+1)2 + 9(x+1) + 8
A A
I
A
A +1+8
+1
+4
+2
+2
+4
-2-1
-4+8 -8
-4 -8
-2 -1
(x+1)2 + 9(x+1) + 8
(x+1)2 + 9(x+1) + 8
A A
I
+1
+8
A
A +1+8
+1
+4
+2
+2
+4
-2-1
-4+8 -8
-4 -8
-2 -1
(x+1)2 + 9(x+1) + 8
(x+1)2 + 9(x+1) + 8
A A
I
+1
+8
A
A
+8A +A
+1+8
+1
+4
+2
+2
+4
-2-1
-4+8 -8
-4 -8
-2 -1
(x+1)2 + 9(x+1) + 8
(x+1)2 + 9(x+1) + 8
A A
I
+1
+8
A
A
+8A +A
+1+8
+1
+4
+2
+2
+4
-2-1
-4+8 -8
-4 -8
-2 -1
(x+1)2 + 9(x+1) + 8 = ((x+1)+8)((x+1)+1)
(x+1)2 + 9(x+1) + 8
A A A A
I
+1
+8
A
A
+8A +A
+1+8
+1
+4
+2
+2
+4
-2-1
-4+8 -8
-4 -8
-2 -1
(x+1)2 + 9(x+1) + 8 = ((x+1)+8)((x+1)+1)
(x+1)2 + 9(x+1) + 8 = ((x+1)+8)((x+1)+1)
A A A A
I
+1
+8
A
A
+8A +A
+1+8
+1
+4
+2
+2
+4
-2-1
-4+8 -8
-4 -8
-2 -1
(x+1)2 + 9(x+1) + 8 = ((x+1)+8)((x+1)+1)
(x+1)2 + 9(x+1) + 8 = ((x+1)+8)((x+1)+1) = (x+9)(x+2)
A A A A
II
x2 - 7xy + 12y2 =
II
x
x
x2 - 7xy + 12y2 =
II
x
x +3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
x
x +3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
x
x +3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
-12y
-y
x
x +3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
-12y
-y
x
x
-xy -12xy
+3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
x
x +3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
-6y
-2y
x
x +3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
-6y
-2y
x
x
-2xy -6xy
+3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
x
x +3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
-4y
-3y
x
x +3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
-4y
-3y
x
x
-3xy -4xy
+3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 =
-4y-3y
-3y-4y
-6y-12y
-2y -y
II
-4y
-3y
x
x
-3xy -4xy
+3y+12y
+y
+6y
+2y
+4y
+3y
+y+2y
+12y+4y +6y
-y -2y
-12y-6y
x2 - 7xy + 12y2 = (x - 3y)(x - 4y)
-4y-3y
-3y-4y
-6y-12y
-2y -y
III
x3 + 2x2 - 8x
III
x3 + 2x2 - 8x = x ( x2 + 2x - 8 )
III
x
x
x3 + 2x2 - 8x = x ( x2 + 2x - 8 )
III
x
x
x3 + 2x2 - 8x = x ( x2 + 2x - 8 )
+1+8
-1
+4
-2
+2
-4
-2-1
+4-8 +8
-4 -8
+2 +1
III
x
x
x3 + 2x2 - 8x = x ( x2 + 2x - 8 )
+1+8
-1
+4
-2
+2
-4
-2-1
+4-8 +8
-4 -8
+2 +1
III
x
x
x3 + 2x2 - 8x = x ( x2 + 2x - 8 )
+1+8
-1
+4
-2
+2
-4
-2-1
+4-8 +8
-4 -8
+2 +1
III
-1
+8
x
x
x3 + 2x2 - 8x = x ( x2 + 2x - 8 )
+1+8
-1
+4
-2
+2
-4
-2-1
+4-8 +8
-4 -8
+2 +1
III
-1
+8
x
x
+8x -x
x3 + 2x2 - 8x = x ( x2 + 2x - 8 )
+1+8
-1
+4
-2
+2
-4
-2-1
+4-8 +8
-4 -8
+2 +1
III
x
x
x3 + 2x2 - 8x = x ( x2 + 2x - 8 )
+1+8
-1
+4
-2
+2
-4
-2-1
+4-8 +8
-4 -8
+2 +1
III
-2
+4
x
x
x3 + 2x2 - 8x = x ( x2 + 2x - 8 )
+1+8
-1
+4
-2
+2
-4
-2-1
+4-8 +8
-4 -8
+2 +1
III
-2
+4
x
x
+4x -2x
x3 + 2x2 - 8x = x ( x2 + 2x - 8 )
+1+8
-1
+4
-2
+2
-4
-2-1
+4-8 +8
-4 -8
+2 +1
III
-2
+4
x
x
+4x -2x
x3 + 2x2 - 8x = x ( x2 + 2x - 8 ) = x ( x + 4 )( x - 2 )
+1+8
-1
+4
-2
+2
-4
-2-1
+4-8 +8
-4 -8
+2 +1
IV
課本p.143
p.144
p.144
p.146
習作
例題 8 - 隨堂練習
例題 9 - 隨堂練習
例題 10 - 隨堂練習
自我評量 - (9)(10)
2( 2)(( 2 3) ( 2)1) (2)x x x y x
(1) (2)( 3 )( 6 ) ( 3)( 8)x y x y xy xy
( 11)x x
( 2 )(5 4(9) (10)) (3 1)x y x y x x
習作p.41
p.42
基礎題 - 4.
進階題 - 1. 2. 3.
(4 5 )(5 4 ) (( 3 11) ( ) 2 )2) ( 5x y x y x x
(2 5)(6 1) ( 3)(2 2 5)
(3 2 2)(4 7 7)
1. 2.
3.
x x x y x y
x y x y
p.43 核心概念題 - 4. 5. 4. 5( ) ). (C B