find the slope of the line containing the following

Question

1)(-1,6)and(0,3)
2)(1\2,-1)and(3\4,2)
3)(6,6)and(7,4)

Answer 1

1)

Formula for slope of the line between two points is 

.

2)

Formula for slope of the line between two points is 

.

3)

Formula for slope of the line between two points is 

.