Write the equation of a line in standard form using the following conditions
1. M = 3 and passing through ( 3,1 ) 2. M = -2 and passing through ( 2,1 ) 3. M = 1 and (1-, -3) 4. M = -3 and ( - 4, - 2 ) 5. M = 4 and (0,4) 6. M = -1/2 and passing through (2,6)