Match each set of points with the slope of the line formed by the ordered pairs.
(0,7) and (2,4)
zero slope
(0,0) and (2,1)
no slope
(1.-3) and (-1,-3)
slope = -3/2
(-1,3) and (-1,-3)
slope = -2
1
(0.-1) and (2.-5)
--
slope = 1/2