LINER EQUATIONS & GRAPHS
a) x...... -6,0,6
    y......-1,-4,-6
b) x.....-6,0,6
    y.....-1,-4,-7
c) x.....-6,0,6
    y..... 1,-4,-7
d) x.....-6,0,6
    y.....-7,-4,-1 
                                             
                                          
                                          
                                        
											