人教版初中九年级数学上册配方法解一元二次方程综合练习题8Word格式.docx

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人教版初中九年级数学上册配方法解一元二次方程综合练习题8Word格式.docx

(1)x2-18x+____=(x-____)2

10

9

x2+14+2=0x2+18+6=0

8x2+16x+2=06x2+12x-6=0

x2-8x+8+7x=10x2-2x-9-4x=14

x(x-8)=4x+8x(x-6)=4x+19

6x2-2x+9=06x2-6x-3=0

1

x2+x-—=0x2-2+8=0

(1)x2+16x+____=(x+____)2

(2)x2-7x+____=(x-____)2

5

x2+2+3=0x2-18+8=0

5x2-10x+2=06x2-12x-8=0

x2-2x-8-9x=17x2+6x+9+8x=13

x(x+8)=5x+16x(x-4)=2x+15

2x2-6x-8=04x2+4x-10=0

x2+x+—=0x2+10+1=0

(2)x2+7x+____=(x+____)2

8

(3)x2+—x+____=(x+____)2

x2-6+7=0x2+10+8=0

9x2+18x+2=08x2-16x-6=0

x2-10x+8+4x=10x2-2x+10+6x=20

x(x+4)=3x-17x(x+8)=5x+19

2x2+10x-8=04x2+2x+9=0

x2+x-—=0x2-8+8=0

(1)x2+12x+____=(x+____)2

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

6

x2+20+4=0x2-18+2=0

9x2+18x-10=06x2-12x-2=0

x2-10x-6+3x=10x2-8x+5-8x=11

x(x-7)=3x-15x(x+5)=7x+20

6x2-4x-6=06x2+6x-3=0

x2+x+—=0x2+4+5=0

(1)x2-4x+____=(x-____)2

(2)x2+6x+____=(x+____)2

x2+12+7=0x2-8+2=0

4x2-8x+4=05x2+10x-4=0

x2-10x-10-2x=12x2+4x+8+8x=13

x(x-2)=3x-9x(x+6)=7x-4

2x2+4x+6=04x2+8x+5=0

x2-x-—=0x2+14+4=0

(1)x2-12x+____=(x-____)2

(2)x2-2x+____=(x-____)2

x2-10+7=0x2-10+1=0

7x2+14x-4=07x2+14x+10=0

x2+6x-5-9x=11x2+10x+1+6x=14

x(x-8)=2x-3x(x-1)=9x-15

2x2-6x-7=02x2+6x+6=0

x2+x+—=0x2+14+5=0

(1)x2+14x+____=(x+____)2

(2)x2+10x+____=(x+____)2

x2+16+4=0x2-10+6=0

4x2+8x-8=09x2-18x-6=0

x2-10x-5+7x=15x2+8x+10+1x=14

x(x+1)=4x+16x(x+6)=6x-2

2x2-8x-1=06x2-8x-4=0

x2+x+—=0x2+20+7=0

(1)x2+20x+____=(x+____)2

(2)x2-5x+____=(x-____)2

x2+4+6=0x2+4+4=0

5x2-10x-4=010x2+20x+4=0

x2+4x+4+9x=10x2+6x+2+7x=10

x(x+8)=5x-18x(x+5)=2x-16

4x2+4x-9=02x2-4x-6=0

x2-x-—=0x2+20+1=0

(1)x2+18x+____=(x+____)2

(2)x2-3x+____=(x-____)2

x2-16+7=0x2-18+8=0

8x2+16x+8=06x2-12x+4=0

x2-2x-10-7x=14x2-6x+4-8x=12

x(x-4)=7x-19x(x-4)=5x+5

2x2-4x+4=06x2-2x+4=0

x2-x+—=0x2-6+8=0

(1)x2-10x+____=(x-____)2

(2)x2-9x+____=(x-____)2

x2-20+10=0x2+12+6=0

3x2-6x-4=010x2-20x+8=0

x2+4x-7-2x=19x2+4x-7+4x=16

x(x-9)=4x-15x(x-7)=4x+1

4x2-8x+9=04x2+2x+2=0

x2-x-—=0x2-6+5=0

(1)x2+6x+____=(x+____)2

x2-18+3=0x2-18+2=0

2x2-4x+4=010x2-20x+6=0

x2-8x-3+6x=19x2+10x-6-3x=19

x(x+5)=8x+17x(x-4)=5x+2

2x2-4x-5=04x2-6x-7=0

x2-x-—=0x2-20+2=0

(1)x2+8x+____=(x+____)2

x2+4+1=0x2+4+1=0

10x2-20x-10=04x2+8x+2=0

x2+8x+8+4x=17x2+4x+9+6x=12

x(x+4)=4x-2x(x+5)=5x+4

6x2+4x+8=04x2-4x-1=0

x2-x+—=0x2-18+8=0

(2)x2+2x+____=(x+____)2

x2-14+4=0x2+10+1=0

3x2+6x+10=08x2+16x+4=0

x2-8x+5+5x=12x2-4x-6+1x=20

x(x-1)=2x+1x(x-8)=9x+11

2x2-6x+9=04x2-6x+6=0

x2+x-—=0x2-10+8=0

(2)x2+3x+____=(x+____)2

x2-20+9=0x2+8+7=0

7x2-14x+2=07x2-14x-2=0

x2+10x+8-7x=18x2+2x+3-5x=17

x(x-1)=8x+12x(x-3)=5x-13

2x2+4x+4=06x2-4x-7=0

x2+x-—=0x2-8+9=0

(2)x2+5x+____=(x+____)2

x2-20+8=0x2-8+4=0

3x2+6x+6=05x2+10x+2=0

x2-6x+2+1x=18x2+10x-10-4x=13

x(x-1)=8x+1x(x-7)=4x+4

6x2+2x-2=04x2+2x+7=0

x2+x+—=0x2-20+4=0

(2)x2+9x+____=(x+____)2

x2+6+9=0x2+4+8=0

10x2+20x-2=03x2-6x-8=0

x2+2x-9-2x=18x2-2x+9-9x=10

x(x-1)=6x-7x(x+4)=7x-6

2x2+4x-8=04x2-8x-1=0

x2-x+—=0x2-8+6=0

2

x2+20+10=0x2+4+3=0

8x2+16x-6=04x2-8x+4=0

x2-2x-6+8x=11x2+2x-5-9x=17

x(x-8)=2x-11x(x-8)=4x+14

2x2+10x-8=04x2+6x-1=0

x2-x-—=0x2+8+5=0

(1)x2+4x+____=(x+____)2

x2-8+8=0x2+18+2=0

2x2-4x+6=05x2+10x-10=0

x2-10x-3+1x=10x2+10x+2-9x=10

x(x+9)=3x-14x(x+9)=3x+14

4x2-6x+1=04x2+4x+7=0

x2+x+—=0x2-4+1=0

x2+20+7=0x2+12+3=0

9x2-18x-4=04x2+8x-8=0

x2-6x-2-1x=18x2+8x+4+9x=16

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