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46.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46
x2-9x+7=03x2+4
x+9=0
2x2+5x-10=0x2+6x=1
4x2-10x=x-2x2-7x+4=0
4x2+7x+3=05x2-5x=0
x2+3x-3=8x-9x(3x+3)=4-2x
x2+8x+9=04x2-2
x+10=0
4x2-10x+8=0x2-4x=18
2x2-10x=x+8x2+5x+6=0
3x2-7x-1=07x2+3x=0
x2+3x-7=7x-6x(4x+4)=6+2x
x2+4x-10=04x2-4
x-1=0
4x2-10x+1=0x2+3x=12
4x2-3x=x-9x2-4x+6=0
2x2-4x+10=04x2+5x=0
x2+10x-5=5x-10x(4x-2)=8-6x
x2+9x+2=02x2+3
x-3=0
2x2-5x-2=0x2-5x=9
2x2-6x=x+6x2-2x+10=0
4x2+7x-2=05x2-10x=0
x2+5x+10=5x-5x(3x+3)=4+3x
x2+6x-5=04x2-2
x+9=0
2x2+8x+3=0x2+7x=13
3x2+2x=x+10x2-7x+4=0
3x2-7x+5=08x2+2x=0
x2-8x+3=4x-4x(2x+1)=6-7x
x2+6x-5=04x2+4
x+5=0
2x2+2x+8=0x2-7x=20
4x2-9x=x-7x2+8x-3=0
4x2+5x-2=09x2-8x=0
x2+4x-1=9x-7x(2x-2)=6+2x
x2+3x-9=02x2-4
x-10=0
2x2-9x+7=0x2+9x=10
2x2+3x=x+5x2+10x-9=0
3x2+9x-10=03x2+8x=0
x2+4x+10=8x-5x(4x+3)=9+2x
x2-3x-2=02x2-4
x-10=0
2x2-4x-6=0x2-6x=4
3x2-2x=x+10x2-6x+10=0
2x2+10x+1=04x2+10x=0
x2-7x-5=8x+10x(3x-4)=5-3x
x2+2x+2=02x2-2
x+7=0
2x2+2x-10=0x2+3x=11
4x2+6x=x-5x2-7x+8=0
4x2+7x-4=07x2-8x=0
x2+4x-9=8x+9x(3x-1)=3-6x
x2-9x-6=03x2-4
x+6=0
3x2+6x+9=0x2+8x=11
2x2+5x=x-3x2-6x-10=0
4x2+10x-2=07x2+3x=0
x2-5x+3=8x-10x(2x+3)=6+2x
x2+6x-4=02x2-3
x+4=0
3x2-6x-4=0x2+10x=15
3x2+8x=x-8x2-8x+1=0
4x2-4x+2=05x2-5x=0
x2+5x-7=2x-7x(3x+3)=7+4x
x2+3x+6=04x2+4
x+7=0
4x2-3x+2=0x2-6x=17
2x2-8x=x-9x2+6x+1=0
2x2+7x+10=08x2+3x=0
x2-8x-9=4x-5x(2x+1)=6+9x
x2-6x+9=02x2+3
x-6=0
2x2-2x+8=0x2-10x=18
2x2+9x=x-5x2-6x-2=0
2x2-9x-4=09x2-10x=0
x2+3x-5=5x+5x(3x+4)=8+3x
x2+6x+1=02x2-2
x+5=0
3x2-3x+1=0x2-7x=9
4x2-2x=x-2x2+7x-3=0
3x2-5x+2=05x2-3x=0
x2-4x-6=6x+5x(4x-2)=2+4x
x2+5x-9=04x2+4
x-10=0
2x2+3x+8=0x2+2x=5
4x2-10x=x+4x2-7x-9=0
4x2-2x+2=02x2+9x=0
x2+7x-10=3x+9x(3x-5)=8-3x
x2+4x-10=02x2+4
x-9=0
2x2-3x+2=0x2-2x=19
3x2+6x=x+2x2-8x+3=0
2x2-3x-9=08x2-10x=0
x2+3x+6=2x+5x(3x-4)=7+9x
x2+7x+7=04x2-4
x+1=0
4x2-4x+8=0x2+8x=12
2x2-4x=x+6x2-7x+4=0
3x2+5x+1=05x2+9x=0
x2+7x-2=6x-2x(2x-4)=5-7x
x2-7x-10=04x2+3
x+6=0
2x2+10x+4=0x2-2x=13
3x2-7x=x+8x2-7x-9=0
4x2+5x+6=06x2+5x=0
x2+10x-3=5x+9x(2x+4)=9-9x
x2-7x+9=02x2+4
x-10=0
2x2-5x-4=0x2+7x=3
4x2-7x=x-8x2+9x-2=0
4x2+7x+10=07x2+2x=0
x2-4x-8=3x-3x(4x-2)=7-4x
x2+2x+3=02x2-4
x-4=0
2x2+4x-4=0x2-5x=14
2x2-5x=x-7x2+5x+1=0
2x2+8x-4=02x2+8x=0
x2+10x-6=8x-2x(3x+5)=9+5x
x2+9x-7=03x2+3
x+4=0
2x2-3x+5=0x2+6x=3
3x2+7x=x-4x2-10x-8=0
4x2+5x+8=02x2-7x=0
x2-2x-4=9x-6x(4x-2)=3+6x
x2-7x-5=04x2+4
x-7=0
2x2+10x-3=0x2+8x=18
4x2-3x=x-4x2-5x+6=0
2x2+8x+1=05x2+3x=0
x2-4x-10=6x-3x(4x-3)=2-6x
x2-6x-10=03x2-2
x+7=0
3x2+6x+9=0x2+6x=1
4x2-10x=x-10x2-7x+8=0
2x2-3x-10=07x2-8x=0
x2-4x-9=8x-6x(4x+3)=1+8x
x2-9x-4=04x2+3
x+8=0
3x2+9x+3=0x2-4x=8
2x2-10x=x-9x2+10x-5=0
2x2+6x+1=04x2+9x=0
x2-8x+2=2x-9x(4x+4)=2+6x
x2-2x+6=04x2+3
x+8=0
4x2-10x-3=0x2-4x=11
4x2-8x=x+10x2-5x-2=0
4x2-4x+7=03x2-8x=0
x2-5x+6=5x+6x(4x+5)=7-8x
x2-9x-8=03x2+2
x-2=0
4x2-9x-10=0x2-7x=13
2x2+4x=x+5x2-8x-8=0
2x2+2x+4=07x2-2x=0
x2-5x-1=9x+2x(4x+3)=2-5x
x2-10x+7=04x2-2
x+5=0
3x2+9x-10=0x2+5x=3
2x2-6x=x-1x2-4x+4=0
4x2+8x-6=02x2+8x=0
x2-4x+1=7x+8x(2x+2)=2+9x
x2-7x+1=02x2-3
x-9=0
2x2-8x+3=0x2-4x=9
3x2-6x=x-2x2+2x+1=0
4x2-9x+4=09x2-10x=0
x2-8x-7=2x+3x(2x-4)=1-6x
x2-6x+3=03x2+2
x-2=0
3x2-10x+1=0x2+4x=4
3x2-4x=x-1x2-9x+9=0
3x2+8x-7=04x2-5x=0
x2-4x-4=4x+1x(4x-1)=7+5x
x2+8x+4=02x2-4
x+7=0
4x2-5x+8=0x2+7x=17
3x2+6x=x+6x2-4x+5=0
3x2-4x-6=09x2-10x=0
x2-3x+4=2x-6x(4x+3)=9-4x
x2-5x+9=04x2+2
x+4=0
4x2+9x-7=0x2+9x=16
3x2-9x=x+9x2+4x+5=0
3x2+4x+2=04x2-10x=0
x2+8x-8=7x-6x(2x-1)=9-6x
x2-10x-2=02x2-2
x+4=0
4x2-5x+9=0x2-2x=3
4x2-9x=x+1x2+2x+1=0
4x2+9x-5=03x2-3x=0
x2-5x+4=2x+4x(3x-5)=9-5x
x2-7x+9=03x2-2
x+10=0
4x2-8x+2=0x2-4x=10
3x2-4x=x+5x2+4x-5=0
2x2-4x+8=05x2-9x=0
x2+9x+6=3x+2x(4x-1)=9+9x
x2-7x+4=04x2+4
x-10=0
3x2-3x+10=0x2-6x=9
4x2-10x=x+7x2-4x-8=0
3x2-10x-6=05x2-8x=0
x2-3x-8=6x-10x(4x-3)=9+3x
x2-9x+10=04x2-3
x+8=0
4x2-3x-5=0x2-6x=8
4x2+5x=x-2x2-5x-7=0
2x2-2x+9=07x2+8x=0
x2-4x+8=8x+3x(3x-3)=6-8x
x2-9x+8=04x2-4
x+6=0
2x2+10x-6=0x2+7x=19
3x2-10x=x-7x2-7x+4=0
4x2-8x+1=07x2+5x=0
x2+6x-1=4x+1x(2x+1)=8+6x
x2+6x+8=03x2-4
x+5=0
2x2-9x-3=0x2+8x=5
3x2+4x=x-4x2-10x+2=0
3x2+2x-9=05x2-7x=0
x2+6x+3=6x+8x(4x-4)=9+4x
x2-8x-1=03x2-3
x+5=0
4x2-4x+10=0x2-5x=8
4x2+3x=x-6x2+9x+8=0
2x2+2x-4=06x2+8x=0
x2+10x-2=4x-4x(3x+4)=5-2x
x2+2x+8=04x2-3
x+1=0
4x2+5x-4=0x2-2x=17
2x2-5x=x-1x2-9x+5=0
4x2-8x-1=05x2-7x=0
x2+4x+9=8x-10x(2x+3)=2+4x
x2+4x+8=03x2+3
x+2=0
4x2-10x-5=0x2+2x=10
3x2-9x=x-4x2+9x+10=0
2x2-2x+6=02x2+8x=0
x2+3x+7=6x+6x(4x+3)=1-2x
x2-10x-3=03x2-3
x+4=0
4x2-3x+5=0x2+10x=14
2x2-8x=x+2x2-5x-6=0
2x2+6x+8=04x2-5x=0
x2-8x+5=7x-4x(4x+1)=9+5x
x2+10x-3=04x2+2
x-1=0
2x2+4x+10=0x2-5x=16
3x2+2x=x+2x2+8x-3=0
3x2+8x+5=04x2-5x=0
x2+2x+5=6x-7x(4x-5)=6-8x
x2-8x+1=03x2-2
x+5=0
3x2+3x+10=0x2-9x=3
3x2-6x=x-9x2+8x-4=0
3x2+8x-5=03x2-10x=0
x2-4x+5=5x+1x(2x-1)=2+6x
x2-4x-8=02x2+2
x+2=0
3x2-10x+5=0x2+7x=7
3x2+4x=x+3x2-4x-6=0
4x2-6x+5=06x2+3x=0
x2-2x-10=3x+9x(3x+1)=2-8x
x2+6x+2=04x2+3
x+6=0
4x2+3x-3=0x2+5x=3
3x2+2x=x-1x2+2x-5=0
2x2-5x+6=02x2+6x=0
x2+9x-9=5x-5x(2x+4)=3-3x
x2-6x+7=03x2-4
x+9=0
4x2+2x+10=0x2+6x=14
3x2+8x=x+4x2-7x+10=0
2x2-5x+1=02x2+2x=0
x2-3x+7=7x+2x(4x+4)=2+3x
x2-10x+3=04x2-2
x-3=0
3x2-7x+2=0x2+6x=5
3x2-3x=x-8x2+8x-3=0
2x2-2x+5=08x2+9x=0
x2+4x+8=3x+6x(2x-2)=2+9x
x2+2x+7=03x2-3
x+10=0
3x2+7x-10=0x2-9x=16
3x2+10x=x+1x2+6x-10=0
4x2-5x+8=08x2+10x=0
x2-5x+5=4x-4x(4x-5)=6-6x
x2-3x-4=04x2-2
x+10=0
4x2-3x+10=0x2+9x=11
4x2-4x=x+5x2-6x+2=0
3x2+3x-6=06x2+3x=0
x2+4x-2=5x+9x(3x-3)=5-9x
x2+6x-1=03x2-4
x-10=0
4x2-7x-6=0x2-4x=4
4x2-5x=x-7x2+5x+2=0
4x2+3x-7=02x2+8x=0
x2-5x+10=8x+7x(2x+5)=2+6x