Use the below graph and state true or false:
 
1259_30.png
 
1. \((-4,-4)\) is the co-ordinate of \(F\). 
 
2. Point \(H\) is present in quadrant IV. 
 
3. The abscissa of point \(B\) is \(-4\). 
 
4. Points which have positive abscissas are D,A,G,C.