題目列表(包括答案和解析)
一元二次方程 | 兩個(gè)根 | 二次三項(xiàng)式因式分解 | ||||
x2-2x+1=0 | x1=1,x2=1 | x2-2x+1=(x-1)(x-1) | ||||
x2-3x+2=0 | x1=1,x2=2 | x2-3x+2=(x-1)(x-2) | ||||
3x2+x-2=0 | x1=
|
3x2+x-2=3(x-
| ||||
2x2+5x+2=0 | x1=-
|
2x2+5x+2=2(x+
| ||||
4x2+13x+3=0 | x1= |
4x2+13x+3=4(x+ |
一元二次方程 | 兩個(gè)根 | 二次三項(xiàng)式因式分解 |
x2-2x+1=0 | x1=1,x2=1 | x2-2x+1=(x-1)(x-1) |
x2-3x+2=0 | x1=1,x2=2 | x2-3x+2=(x-1)(x-2) |
3x2+x-2=0 | x1= |
3x2+x-2=3(x- |
2x2+5x+2=0 | x1= |
2x2+5x+2=2(x+ |
4x2+13x+3=0 | x1= |
4x2+13x+3=4(x+ |
一元二次方程 | 兩個(gè)根 | 二次三項(xiàng)式因式分解 | ||||||||
x2-2x+1=0 | x1=1,x2=1 | x2-2x+1=(x-1)(x-1) | ||||||||
x2-3x+2=0 | x1=1,x2=2 | x2-3x+2=(x-1)(x-2) | ||||||||
3x2+x-2=0 | x1=
|
3x2+x-2=3(x-
| ||||||||
2x2+5x+2=0 | x1=-
|
2x2+5x+2=2(x+
| ||||||||
4x2+13x+3=0 | x1= -
- ,x2=
-3 -3 |
4x2+13x+3=4(x+
3 3 ) |
一元二次方程 | 兩個(gè)根 | 二次三項(xiàng)式因式分解 | ||||
x2-2x+1=0 | x1=1,x2=1 | x2-2x+1=(x-1)(x-1) | ||||
x2-3x+2=0 | x1=1,x2=2 | x2-3x+2=(x-1)(x-2) | ||||
3x2+x-2=0 | x1=
|
3x2+x-2=3(x-
| ||||
2x2+5x+2=0 | x1=-
|
2x2+5x+2=2(x+
| ||||
4x2+13x+3=0 | x1=______,x2=______ | 4x2+13x+3=4(x+______)(x+______) |
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