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I. ( 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. A. A. I. ( x +1 ) 2 + 9( x +1 ) + 8. ( x +1 ) 2 + 9( x +1 ) + 8. A. A. A. A. I. ( x +1 ) 2 + 9( x +1 ) + 8. ( x +1 ) 2 + 9( x +1 ) + 8. A. A. A. +8.

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X 1 2 9 x 1 8

I

(x+1)2 + 9(x+1) + 8


X 1 2 9 x 1 8

I

(x+1)2 + 9(x+1) + 8


X 1 2 9 x 1 8

I

(x+1)2 + 9(x+1) + 8

(x+1)2 + 9(x+1) + 8

A

A


X 1 2 9 x 1 8

I

(x+1)2 + 9(x+1) + 8

(x+1)2 + 9(x+1) + 8

A

A

A

A


X 1 2 9 x 1 8

I

(x+1)2 + 9(x+1) + 8

(x+1)2 + 9(x+1) + 8

A

A

A

+8

+4

+2

+1

-1

-2

-4

-8

A

+1

+2

+4

+8

-8

-4

-2

-1


X 1 2 9 x 1 8

I

(x+1)2 + 9(x+1) + 8

(x+1)2 + 9(x+1) + 8

A

A

A

+8

+4

+2

+1

-1

-2

-4

-8

A

+1

+2

+4

+8

-8

-4

-2

-1


X 1 2 9 x 1 8

I

(x+1)2 + 9(x+1) + 8

(x+1)2 + 9(x+1) + 8

A

A

A

+8

+8

+4

+2

+1

-1

-2

-4

-8

A

+1

+1

+2

+4

+8

-8

-4

-2

-1


X 1 2 9 x 1 8

I

(x+1)2 + 9(x+1) + 8

(x+1)2 + 9(x+1) + 8

A

A

A

+8

+8

+4

+2

+1

-1

-2

-4

-8

A

+1

+1

+2

+4

+8

-8

-4

-2

-1

+8A

+A


X 1 2 9 x 1 8

I

(x+1)2 + 9(x+1) + 8

(x+1)2 + 9(x+1) + 8 = ((x+1)+8)((x+1)+1)

A

A

A

A

A

+8

+8

+4

+2

+1

-1

-2

-4

-8

A

+1

+1

+2

+4

+8

-8

-4

-2

-1

+8A

+A


X 1 2 9 x 1 8

I

(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

A

+8

+8

+4

+2

+1

-1

-2

-4

-8

A

+1

+1

+2

+4

+8

-8

-4

-2

-1

+8A

+A


X 1 2 9 x 1 8

I

(x+1)2 + 9(x+1) + 8 = ((x+1)+8)((x+1)+1) = (x+9)(x+2)

(x+1)2 + 9(x+1) + 8 = ((x+1)+8)((x+1)+1)

A

A

A

A

A

+8

+8

+4

+2

+1

-1

-2

-4

-8

A

+1

+1

+2

+4

+8

-8

-4

-2

-1

+8A

+A


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

x


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

-y

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

-12y

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

-y

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

-12y

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y

-xy

-12xy


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

-2y

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

-6y

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

-2y

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

-6y

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y

-2xy

-6xy


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

-3y

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

-4y

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 =

x

-3y

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

-4y

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y

-3xy

-4xy


X 1 2 9 x 1 8

II

x2 - 7xy + 12y2 = (x - 3y)(x - 4y)

x

-3y

+12y

+6y

+4y

+3y

+2y

+y

-y

-2y

-3y

-4y

-6y

-12y

x

-4y

+y

+2y

+3y

+4y

+6y

+12y

-12y

-6y

-4y

-3y

-2y

-y

-3xy

-4xy


X 1 2 9 x 1 8

III

x3 + 2x2- 8x


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8)


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8)

x

x


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8)

x

+8

+4

+2

+1

-1

-2

-4

-8

x

-1

-2

-4

-8

+8

+4

+2

+1


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8)

x

+8

+4

+2

+1

-1

-2

-4

-8

x

-1

-2

-4

-8

+8

+4

+2

+1


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8)

x

+8

+4

+2

+1

-1

-2

-4

-8

x

-1

-2

-4

-8

+8

+4

+2

+1


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8)

x

+8

+8

+4

+2

+1

-1

-2

-4

-8

x

-1

-1

-2

-4

-8

+8

+4

+2

+1


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8)

x

+8

+8

+4

+2

+1

-1

-2

-4

-8

x

-1

-1

-2

-4

-8

+8

+4

+2

+1

+8x

-x


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8)

x

+8

+4

+2

+1

-1

-2

-4

-8

x

-1

-2

-4

-8

+8

+4

+2

+1


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8)

x

+4

+8

+4

+2

+1

-1

-2

-4

-8

x

-2

-1

-2

-4

-8

+8

+4

+2

+1


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8)

x

+4

+8

+4

+2

+1

-1

-2

-4

-8

x

-2

-1

-2

-4

-8

+8

+4

+2

+1

+4x

-2x


X 1 2 9 x 1 8

III

x3 + 2x2- 8x = x(x2 + 2x- 8) = x(x + 4 )( x- 2)

x

+4

+8

+4

+2

+1

-1

-2

-4

-8

x

-2

-1

-2

-4

-8

+8

+4

+2

+1

+4x

-2x


X 1 2 9 x 1 8

IV

課本

p.143

例題8 - 隨堂練習

p.144

例題9 - 隨堂練習

p.144

例題10 - 隨堂練習

p.146

自我評量 - (9)(10)

習作

習作

p.41

基礎題 - 4.

p.42

進階題 - 1. 2. 3.

p.43

核心概念題 - 4. 5.


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