11. Remember:
When
given two points (x, y) and (x, y)
To find:
◦ Change in y: subtract y values
◦ Change in x: subtract x values
(in the same order you did the y’s!!)
12. Find
the slope of the line through the
given points:
(-3, -1) and (3, 4)
(-1,
1) and (1, -2)
13. Find
the slope of the line through the
given points:
(-4, -1) and (2, 1)