Given points P(-3,4) and Q(4,y) in a coordinate plane, for what value y of is the slope of the line through P and Q equal to 1/7?
(-3-4)/(-4-y) = 1/7
7(-3-4) = (-4-y)
-21-28 = -4-y
21+28 = 4+y
49 = 4+y
45 = y
I hope this helped. :))
=^._.^=
