- 6×2
- 6x
- x2
- 2x
No category found.
- Straight line
- Parabola
- Circle
- Hyperbola
- Two real roots
- One real root
- No real roots
- Two integer roots
- 0
- 1
- Undefined
- Any positive integer
- 0
- 1
- Undefined
- Any positive integer
- Linear equation
- Quadratic equation
- System of linear equations
- Polynomial equation
- f?1(x)=x
- f?1(x)=?x
- f?1(x)=1/x
- f?1(x)=0
- All real numbers
- All real numbers except 2
- x?=0
