一元二次方程专项练习32

1、x2 + 9x + 14=04x2+ 3(2x 1)=05y2+ 10y + 9=0x2 + 4x+12=03x2+ 2(3x + 3)=05y2 4y 9=0x2 10x + 9=06x2+ 5(3x + 2)=05y2+ 10y + 4=0x2 7x 14=05x2 3(4x + 5)=02y2+ 10y 16=0X 10x 3=05x2 5(4x 1)=03y2 7y 14=0x? 7x 仁04x2+ 3(4x + 3)=03y? 4y 12=0x2 5x 3=03x2+ 5(4x + 3)=02y2 9y + 11=0x2 + 2x 19=05x2+ 5(4x + 3)=05y2 8y

2、 11=0x2 + 5x + 18=0x2 + 7x - 14=06x2+ 4(4x 3)=03y2 4y 10=03x2 2(2x 5)=04y2+ 2y + 1=0x2 5x 19=05x2 3(3x + 5)=05y2+ 3y 7=0x2 3x + 11=06x2 4(2x + 3)=05y2+ 10y + 20=0X 6x + 6=02x2+ 5(2x 5)=02y2+ 4y + 18=0x2 - 5x - 15=02x2+ 2(2x 1)=05y2 10y 14=0x2 7x + 4=06x2 2(3x + 5)=03y2+ 9y 18=0x2 5x + 15=05x2+ 2(4x

3、3)=02y2 7y + 12=0X 9x 1=06x2+ 2(2x + 3)=03y2+ 3y + 4=0x? 9x 20=05x2- 2(3x 1)=03y2+ 2y + 11=0x2 一 2x 一 8=02x2- 5(3x + 1)=02y2 4y 20=0x2 + 10x -13=04x2- 2(3x - 4)=05y2- 9y + 2=0x2 + 2x 17=02x2 3(4x + 5)=04y2 6y 14=0x2 4x + 6=05x2+ 5(2x + 5)=02y2 8y + 3=0x2 + 6x + 9=02x2+ 5(3x 4)=03y2+ 6y + 20=0x2 + 3x

4、 16=03x2 2(2x + 5)=02y2 8y 12=0x2 9x + 10=03x2+ 2(4x 4)=03y2+ 9y + 11=0x2 + 7x + 7=02x2+ 3(3x 4)=03y2 5y + 18=0x2 4x + 20=05x2 4(3x 4)=05y2 9y 14=0x2 6x 17=04x2 5(4x 3)=02y2 8y + 19=0x2 + 6x + 11=03x2 3(4x 1)=05y2 4y 7=0x2 + 7x - 10=03x2 5(4x 5)=05y2+ 8y 14=0x2 2x + 17=04x2 2(4x 3)=05y2 10y 2=0x2 8x

5、 + 2=04x2 5(2x + 2)=02y2+ 7y + 8=0x2 6x + 10=04x2+ 2(4x 1)=03y2 4y + 17=0x2 + 5x+19=05x2 5(2x + 5)=03y2 10y 18=06x2+ 4(3x + 2)=05y2 6y + 14=0x2 5x + 7=05x2+ 2(4x 3)=03y2+ 8y 17=0x2 - 9x - 11=02x2+ 3(4x + 5)=04y2 6y 6=0x2 + 9x + 3=05x2+ 3(4x + 1)=04y2 + 9y 5=0x2 - 2x + 18=02x2+ 2(3x + 5)=03y2+ 4y + 1

6、0=0x2 6x 11=02x2 2(4x 5)=05y2 5y + 18=0x2 + 9x - 6=06x2 5(3x + 3)=05y2 3y 1=0x2 4x + 20=03x2 2(3x + 3)=03y2+ 2y 11=0x2 7x + 9=06x2+ 4(3x 4)=05y2+ 5y 6=0x2 5x 5=06x2 2(3x 5)=04y2+ 10y 5=0x2 + 10x + 1=05x2+ 3(2x + 2)=04y2+ 6y + 7=0x2 6x + 3=05x2+ 4(2x + 5)=04y2 + 5y 17=0x2 2x + 7=03x2 2(3x + 3)=03y2+

7、9y 13=0x2 + 7x + 6=02x2 4(4x 5)=02y2 9y + 1=0x2 - 2x + 10=03x2 5(3x 3)=04y2+ 10y 5=0x2 - 10x + 13=05x2+ 3(2x + 5)=04y2+ 4y 9=0x2 8x 2=03x2+ 4(3x + 2)=05y2 7y + 9=0x2 8x 16=03x2 4(3x 4)=05y2+ 10y 18=0x2 + 4x + 8=02x2 4(3x 5)=04y2+ 6y 12=0x2 + 3x + 6=06x2+ 3(3x 5)=05y2+ 6y + 15=0x2 7x 18=06x2+ 5(3x +

8、1)=03y2 9y + 2=0x2 10x + 2=04x2+ 3(4x 3)=05y2+ 10y 9=0x2 + 2x - 12=06x2 4(4x 1)=04y2+ 10y + 11=0x2 + 3x + 17=04x2+ 3(4x 4)=03y2 3y 3=0x2 - 8x + 11=02x2+ 4(2x 2)=04y2 6y + 10=0x2 + 7x 8=06x2 4(4x 3)=03y2 6y + 5=0x2 6x + 8=02x2+ 2(4x 1)=05y2+ 6y 15=0x2 4x + 13=03x2+ 4(3x 5)=05y2+ 5y 19=0x2 + 2x + 16=0

9、4x2 4(2x + 5)=04y2 4y + 18=0x2 + 10x 13=06x2+ 5(2x 2)=05y2+ 2y + 19=0x2 + 3x + 16=03x2+ 3(4x + 3)=03y2+ 3y + 12=0x? 8x 2=03x2+ 3(2x + 5)=05y2+ 3y - 13=0x2 + 10x -18=03x2+ 2(4x - 2)=05y2+ 5y + 12=0x2 + 6x 8=03x2- 5(2x 1)=05y2+ 5y 3=0x2 + 5x + 16=03x2- 4(3x + 4)=02y2+ 8y 6=0x2 + 10x + 8=03x2- 5(4x + 1

10、)=03y2+ 9y 9=0x2 + 6x - 12=05x2- 3(2x + 4)=04y2+ 7y 11=0x2 + 8x + 18=02x2+ 4(2x + 3)=03y2 10y + 5=0x2 - 3x - 11=06x2+ 3(4x 4)=05y2 10y 15=0x? 7x 14=06x2+ 3(4x + 2)=02y2+ 8y 18=0x2 5x 1=06x2 2(4x + 3)=02y2+ 6y + 10=0x2 4x + 20=04x2+ 5(2x 2)=04y2+ 4y 10=0x2 7x + 19=06x2 5(4x + 5)=03y2+ 4y + 6=0x? 9x 19=02x2 5(4x 2)=05y2 2y + 9=0x2 10x 2=03x2+ 5(3x + 5)=02y2+ 2y 10=0x2 9x + 16=06x2+ 4(2x 3)=03y2+ 2y +