Topic : Equation-Quadratic Equation
1.
2.
from: category_eng

1.Modification
trap

Ans: c

2.None

Ans: c

1.
solving a quadratic equation.

2.


3.
How to change equivalent equation.

4.
Word problem


1.
solving a quadratic equation.
2.
3.
Modification
How to change equivalent equation.
4.
Understanding