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34Word文档格式.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34Word文档格式.docx
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x2-x+—=0x2+16+8=0
(1)x2-6x+____=(x-____)2
2
(3)x2-—x+____=(x-____)2
x2-10+4=0x2+20+5=0
8x2+16x-10=03x2+6x-10=0
x2+2x+1+5x=18x2-10x-5-6x=14
x(x+3)=9x+19x(x-6)=4x-20
2x2+10x-4=06x2-10x+8=0
1
x2+x-—=0x2+8+2=0
9
(1)x2-2x+____=(x-____)2
(2)x2-10x+____=(x-____)2
6
x2+8+7=0x2-10+6=0
2x2-4x-4=07x2+14x-2=0
x2+6x+2+3x=16x2-2x-5+4x=11
x(x+5)=4x+4x(x+1)=6x+1
2x2-10x+7=04x2-8x-2=0
x2+x+—=0x2-8+9=0
(1)x2-14x+____=(x-____)2
(2)x2+3x+____=(x+____)2
x2+6+2=0x2-8+10=0
4x2-8x+6=09x2+18x+2=0
x2-10x+7+2x=14x2-6x+7+4x=15
x(x-5)=2x-20x(x-8)=6x+19
6x2+8x-5=06x2+8x-6=0
x2-x+—=0x2-18+3=0
(1)x2+12x+____=(x+____)2
(2)x2+4x+____=(x+____)2
8
x2-16+7=0x2-6+5=0
10x2+20x+4=05x2+10x+4=0
x2-6x+10-4x=16x2+4x+4+3x=18
x(x-9)=5x-12x(x-5)=4x-2
6x2+4x-7=04x2+10x-8=0
x2-x+—=0x2-4+10=0
(1)x2+6x+____=(x+____)2
(2)x2-3x+____=(x-____)2
x2-18+1=0x2-16+9=0
9x2-18x-2=09x2+18x-10=0
x2+4x-6+9x=17x2+4x-5+8x=19
x(x-4)=9x+14x(x-9)=3x+11
2x2-2x+2=04x2-10x-3=0
5
x2+x-—=0x2-4+4=0
(1)x2-4x+____=(x-____)2
(2)x2+9x+____=(x+____)2
x2-20+5=0x2+14+1=0
3x2+6x+10=08x2+16x-2=0
x2-4x-2-1x=13x2+4x-5+8x=17
x(x-8)=5x-17x(x+1)=8x-1
2x2+4x-6=06x2+4x-1=0
x2-x+—=0x2+14+6=0
(2)x2+5x+____=(x+____)2
10
x2-16+5=0x2+4+5=0
9x2+18x-2=02x2+4x+10=0
x2+10x+6-9x=12x2+4x-6-5x=20
x(x-9)=3x+1x(x-2)=8x+1
4x2-4x+10=04x2-4x-8=0
x2-x-—=0x2-10+5=0
(1)x2+18x+____=(x+____)2
x2-18+5=0x2-18+4=0
8x2-16x+4=08x2+16x+10=0
x2-6x+3-5x=14x2+10x-5-2x=14
x(x+2)=9x-4x(x+8)=4x+1
2x2+8x+2=04x2+4x-7=0
x2+x-—=0x2+2+8=0
(1)x2-8x+____=(x-____)2
(2)x2+6x+____=(x+____)2
x2+20+4=0x2-16+10=0
10x2+20x-2=06x2-12x+8=0
x2+6x+2-6x=16x2+6x-8+1x=11
x(x+4)=7x+16x(x-2)=9x+7
6x2+6x-10=04x2+6x-8=0
x2+x+—=0x2-10+8=0
(2)x2+7x+____=(x+____)2
x2-4+4=0x2-10+5=0
5x2+10x-4=08x2-16x-2=0
x2+6x-2+5x=14x2-2x+9-2x=20
x(x-8)=2x-10x(x+7)=7x-19
4x2+10x+4=02x2-10x+8=0
x2-x+—=0x2-12+7=0
(1)x2-16x+____=(x-____)2
x2+14+10=0x2-16+6=0
5x2-10x-8=09x2+18x-4=0
x2+2x+5+6x=20x2+2x+9+8x=15
x(x+4)=3x+4x(x+9)=4x+7
2x2-8x+8=04x2+2x+8=0
x2-x-—=0x2+4+7=0
(2)x2-9x+____=(x-____)2
x2+10+3=0x2-16+9=0
6x2-12x+2=07x2+14x+10=0
x2+6x-5+3x=10x2+2x+7+7x=12
x(x-1)=9x+11x(x-2)=6x+3
4x2+4x-10=04x2+6x+9=0
x2+x-—=0x2-10+3=0
(1)x2+20x+____=(x+____)2
x2-8+5=0x2-6+8=0
8x2-16x-10=010x2+20x-4=0
x2-4x+1-1x=10x2+8x+8+2x=12
x(x+3)=7x-12x(x+4)=8x+16
6x2+4x-4=04x2-10x+3=0
x2+x-—=0x2+14+8=0
x2-10+6=0x2-12+8=0
6x2-12x+4=03x2-6x+6=0
x2-8x-1-7x=20x2+4x-2-9x=16
x(x+6)=8x-15x(x-6)=9x+15
6x2-6x-1=02x2+6x+3=0
x2-x+—=0x2-18+10=0
(1)x2+16x+____=(x+____)2
x2+12+8=0x2-14+9=0
7x2+14x+4=02x2+4x+6=0
x2+6x+9+9x=15x2+8x-4-3x=15
x(x+4)=3x-20x(x-1)=2x-18
4x2-6x+1=06x2-10x-8=0
x2+x-—=0x2+8+4=0
x2-16+9=0x2-10+4=0
3x2-6x-8=06x2-12x+4=0
x2-6x+2-4x=16x2+4x+5-2x=14
x(x-9)=6x-5x(x-5)=7x+4
6x2+10x+3=06x2+2x-7=0
x2+x+—=0x2+10+6=0
(1)x2-20x+____=(x-____)2
x2-6+9=0x2+12+9=0
2x2-4x+6=09x2+18x-4=0
x2-8x-2+5x=12x2-2x+8+9x=16
x(x-6)=6x+1x(x+3)=5x-17
4x2-6x+3=02x2+6x-9=0
x2-x+—=0x2-14+6=0
x2+8+1=0x2+20+1=0
3x2+6x-8=06x2-12x-4=0
x2-8x+10+1x=17x2+4x+2-3x=15
x(x-2)=7x+18x(x-2)=7x-18
6x2-8x-3=02x2-6x-2=0
x2-x+—=0x2+20+3=0
(2)x2-8x+____=(x-____)2
x2+18+6=0x2-6+8=0
6x2+12x-10=010x2-20x-6=0
x2+4x+7+2x=18x2+10x-9+5x=17
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