
Karina F. answered 11/02/20
Engineer & Mom who loves to teach!
Knowing the ordered points (-2,1) and (4,4) of line PQ, the slope m = (y2 - y1) / (x2 - x1)
Doesn't matter which points you made P1 and P2...the slope will be the same
Say P2 as (4, 4) and P1 (-2, 1)
Slope = (y2 - y1) / (x2 - x1) = (4 - 1) / (4 - (-2)) = 3/6 ....reduce further, the SLOPE = 1/2