人教版初中九年级数学上册公式法解一元二次方程综合练习题16.docx
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人教版初中九年级数学上册公式法解一元二次方程综合练习题16.docx
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人教版初中九年级数学上册公式法解一元二次方程综合练习题16
x2+4x+3=04x2-4
x+5=0
2x2-5x-6=0x2-2x=7
2x2-3x=x+3x2-9x-5=0
4x2-10x+6=07x2+5x=0
x2+3x-10=9x+9x(4x-2)=6-7x
x2-3x-4=04x2+4
x-2=0
4x2-6x+9=0x2+8x=14
3x2+6x=x+1x2-4x+4=0
2x2-7x+9=05x2-4x=0
x2+7x-3=3x-6x(4x-3)=9+5x
x2-4x+1=03x2+3
x-8=0
2x2+10x-6=0x2-7x=4
3x2+10x=x-5x2+2x-8=0
4x2+5x-3=06x2-7x=0
x2+6x+5=7x+1x(2x-2)=1-5x
x2-3x+8=03x2-3
x+6=0
4x2-5x+3=0x2-10x=1
2x2+5x=x+7x2-10x-2=0
3x2-3x+2=04x2+2x=0
x2-7x-1=5x-10x(3x-3)=3+9x
x2+7x+7=02x2-4
x-1=0
2x2+3x+3=0x2-8x=3
2x2+5x=x+4x2+5x+8=0
4x2+10x+5=05x2-8x=0
x2+5x+9=2x+2x(3x-5)=4-4x
x2-3x-7=03x2-2
x+8=0
2x2+8x-3=0x2+5x=4
4x2-2x=x-1x2-10x+3=0
2x2+9x-8=05x2+7x=0
x2+4x-3=6x+1x(3x-1)=3+7x
x2+7x-7=02x2+4
x+6=0
3x2+9x-8=0x2-9x=13
3x2+2x=x+2x2+10x-5=0
3x2+5x-10=07x2-7x=0
x2+4x-10=6x+3x(2x+3)=2+8x
x2-7x-9=02x2+2
x-7=0
2x2+4x-4=0x2+3x=7
2x2-10x=x+4x2+4x+3=0
4x2-2x+7=09x2-6x=0
x2+6x+6=8x+3x(4x-4)=8-3x
x2-5x-2=03x2+2
x-8=0
4x2-9x-9=0x2+4x=12
2x2-5x=x+10x2-2x-2=0
2x2+5x+1=09x2-2x=0
x2-4x+1=4x-8x(3x-1)=2+6x
x2-9x-1=04x2+4
x-10=0
3x2+4x-8=0x2+10x=20
2x2+7x=x+3x2-9x-8=0
3x2-2x+4=08x2-2x=0
x2-6x+3=7x-7x(3x+1)=1-2x
x2+2x-1=02x2-4
x+4=0
4x2+4x+8=0x2-4x=14
3x2+3x=x+9x2-7x+8=0
3x2-6x+3=06x2+10x=0
x2+6x-10=4x+4x(4x-1)=7-9x
x2-10x+9=03x2-2
x-9=0
2x2+9x-7=0x2+2x=9
2x2-10x=x-2x2+6x+6=0
4x2-6x+7=09x2+2x=0
x2+7x-4=3x+1x(2x-1)=5-2x
x2+5x-2=04x2+3
x+5=0
4x2+3x+5=0x2-3x=17
2x2-6x=x-10x2-9x-9=0
2x2-7x+3=06x2+2x=0
x2+6x-5=5x+10x(2x+1)=9+7x
x2-2x-5=02x2+2
x+5=0
2x2-6x-2=0x2-5x=11
2x2+6x=x-9x2-7x-3=0
4x2-6x+7=06x2-7x=0
x2-6x-1=2x+4x(3x+2)=2+2x
x2-4x+8=03x2-2
x-5=0
4x2+3x+5=0x2-2x=11
3x2+4x=x-4x2+2x+10=0
2x2+4x-6=07x2+10x=0
x2-7x+3=5x-1x(3x+3)=9-7x
x2-3x+4=04x2+3
x-9=0
2x2+2x-10=0x2+8x=1
4x2+2x=x-7x2-5x-9=0
4x2+7x-9=04x2+6x=0
x2-2x+1=2x+9x(3x-4)=6-9x
x2+9x-7=03x2-2
x-10=0
3x2+6x-10=0x2-10x=12
4x2-4x=x+1x2+5x+2=0
2x2+2x-3=02x2-7x=0
x2-7x+5=2x-3x(4x-4)=6-3x
x2-10x+1=03x2-3
x+2=0
4x2+8x+7=0x2-3x=14
4x2-5x=x+8x2-5x+8=0
2x2-5x-4=08x2-10x=0
x2-5x-9=4x-3x(2x+5)=7-9x
x2-4x+3=02x2-3
x+5=0
4x2+9x-9=0x2-5x=10
4x2+7x=x+9x2-3x-2=0
3x2-9x-3=07x2+4x=0
x2+7x-7=7x+7x(4x-4)=9-4x
x2-6x-3=03x2-4
x-7=0
3x2-2x+3=0x2-10x=4
2x2+3x=x+9x2-2x-3=0
3x2+4x-3=02x2-6x=0
x2+9x-2=9x+9x(3x-1)=6-3x
x2-9x+8=04x2+2
x-7=0
2x2+2x+9=0x2+3x=12
3x2-7x=x+9x2+7x+4=0
2x2+6x-10=06x2+7x=0
x2-10x-2=3x-6x(2x+4)=4-4x
x2+7x-4=04x2+2
x+6=0
4x2+7x-5=0x2-10x=3
3x2+7x=x-9x2-9x-9=0
2x2+2x-5=08x2+10x=0
x2+2x+8=4x+1x(4x-3)=9-4x
x2-2x-9=02x2-3
x-9=0
4x2-4x+5=0x2-9x=18
2x2-3x=x-7x2+6x-8=0
3x2-10x-6=08x2+7x=0
x2+6x+8=6x-5x(3x-1)=5-3x
x2+4x-5=04x2+3
x+6=0
3x2+9x+3=0x2+7x=7
4x2+6x=x+5x2+3x+8=0
2x2+7x+1=06x2+10x=0
x2-4x-10=7x-4x(4x-2)=4-8x
x2-2x+4=04x2-2
x-7=0
4x2-2x+2=0x2+3x=14
2x2-10x=x-2x2-9x+7=0
4x2-8x+4=06x2+7x=0
x2-6x-3=9x-5x(2x+3)=2+7x
x2+10x-5=02x2-3
x+6=0
4x2-9x+3=0x2-7x=2
3x2-7x=x+8x2+4x+7=0
4x2-2x+7=05x2+6x=0
x2+9x+5=2x+3x(4x-2)=8+7x
x2-2x+8=03x2-3
x-2=0
3x2+2x-3=0x2-6x=20
3x2+5x=x-7x2+6x-2=0
4x2+6x-7=05x2+8x=0
x2-10x-1=2x-5x(3x-4)=3+2x
x2+8x+8=02x2+2
x+4=0
2x2+2x+8=0x2-10x=18
4x2-3x=x+4x2+10x+10=0
4x2-6x-5=06x2-6x=0
x2+8x-5=3x-10x(2x+1)=2+2x
x2-9x-8=02x2-4
x+2=0
4x2+9x+3=0x2-8x=7
2x2+3x=x-7x2+8x-8=0
2x2-3x-7=04x2+6x=0
x2+9x+4=5x+10x(4x-1)=5-3x
x2+2x-4=04x2+3
x-8=0
3x2-4x+3=0x2+9x=15
2x2+7x=x+1x2-9x-1=0
3x2+2x-3=07x2-4x=0
x2-6x-1=3x-7x(2x-2)=2+9x
x2+2x-8=03x2+4
x+2=0
2x2+8x+6=0x2+4x=8
4x2+3x=x-3x2+3x+9=0
3x2-6x-6=05x2+3x=0
x2+5x+2=6x+6x(3x-1)=7-4x
x2-7x-9=03x2+4
x+10=0
3x2-2x+8=0x2-3x=16
4x2+2x=x+6x2+7x-10=0
4x2-7x-2=05x2-6x=0
x2+3x+6=7x+8x(4x-4)=4-9x
x2+9x+10=04x2-3
x+5=0
2x2-9x+9=0x2+10x=15
3x2-10x=x+2x2-10x+4=0
2x2-9x-10=06x2-7x=0
x2+9x+5=4x+7x(3x-1)=2+4x
x2+8x-4=02x2+3
x+8=0
3x2-2x+1=0x2+6x=10
2x2+4x=x+8x2+7x-5=0
4x2+5x-6=05x2-3x=0
x2-2x+3=8x+3x(2x+1)=9+3x
x2-3x-5=02x2+4
x+9=0
3x2-3x-9=0x2+6x=10
4x2-10x=x-6x2+7x+7=0
4x2+10x+5=02x2+10x=0
x2+6x+2=9x+7x(3x+3)=9+4x
x2+7x+7=02x2+3
x+10=0
3x2-5x-2=0x2-3x=3
2x2-5x=x-1x2+3x-4=0
3x2+2x-9=09x2-2x=0
x2-10x-1=9x-2x(4x-3)=5-3x
x2-9x-1=03x2+3
x-1=0
2x2+10x-3=0x2+7x=14
3x2+2x=x-2x2+6x+8=0
2x2-8x+7=06x2+10x=0
x2-8x-6=8x+6x(4x-5)=9-2x
x2+9x-4=02x2-2
x+2=0
2x2+10x-1=0x2+6x=12
2x2+2x=x-1x2+2x-2=0
2x2-3x-2=07x2+8x=0
x2+9x+5=4x+6x(2x-3)=6-8x
x2-5x-6=02x2-2
x+7=0
4x2-5x+9=0x2+8x=12
3x2+9x=x-3x2+5x+6=0
3x2-6x-7=02x2+6x=0
x2-4x+8=8x+6x(3x-4)=3-9x
x2+4x+5=02x2+4
x-3=0
4x2-2x+3=0x2+4x=18
3x2-5x=x+1x2+2x+2=0
4x2+9x+6=06x2+10x=0
x2-2x-2=9x+7x(2x+4)=5+5x
x2+7x+4=03x2-4
x-3=0
4x2-6x-1=0x2-7x=12
4x2+10x=x-6x2-8x-10=0
2x2-3x-7=09x2-7x=0
x2+8x-3=5x+7x(3x+2)=1-6x
x2+10x+3=04x2-4
x+2=0
2x2+5x+8=0x2-9x=2
2x2+4x=x+7x2-3x+6=0
3x2-5x-8=07x2-10x=0
x2+3x-6=9x+9x(4x-5)=4+9x
x2+5x+7=04x2-4
x-6=0
2x2+6x+7=0x2-6x=3
2x2+9x=x+1x2+4x-8=0
4x2-7x-8=05x2+8x=0
x2+5x-7=3x+8x(3x+5)=5-8x
x2+8x-8=03x2-3
x-10=0
4x2-10x+6=0x2+2x=11
4x2-9x=x-8x2+3x-4=0
2x2-4x+8=03x2-5x=0
x2-6x+3=9x+4x(2x+4)=4+7x
x2+5x-6=02x2+2
x+3=0
4x2-9x+10=0x2-5x=17
4x2-9x=x+9x2-5x-6=0
2x2+5x-5=09x2-9x=0
x2-7x-1=2x-1x(2x-3)=4-2x
x2-5x+7=02x2-2
x+7=0
3x2-4x+6=0x2+6x=6
4x2-3x=x-10x2+8x+6=0
2x2+5x-7=04x2+2x=0
x2-6x+5=9x-4x(3x-2)=8-4x
x2+5x+8=02x2+4
x+4=0
3x2+8x-9=0x2+8x=13
4x2+4x=x-6x2-10x-9=0
2x2+4x+4=08x2-3x=0
x2-8x+8=2x+7x(2x-4)=8+4x
x2+10x+6=03x2+2
x-2=0
4x2+2x-6=0x2-7x=1
2x2+6x=x-10x2-9x+4=0
3x2+8x+8=05x2-4x=0
x2-3x+7=8x-5x(3x+1)=9+8x
x2-7x+6=02x2-4
x+7=0
4x2-3x-6=0x2+2x=11
3x2+5x=x-10x2+5x+4=0
2x2-6x-8=04x2+3x=0
x2+7x-1=7x-4x(4x+5)=7+6x
x2-5x-10=02x2-3
x-2=0
2x2-8x-9=0x2-4x=5
3x2+7x=x-1x2+9x+2=0
3x2+3x-7=07x2-2x=0
x2+8x-4=2x-5x(4x+4)=7-2x
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