Question

The slope of line joining the points P(4,k) and Q(-3,-2) is -2/7.Find the value of k

Answer 1

Slope=y2-y1/x2-x1
Here
-2/7=-2-k/-3-4
K=4

Answer 2

Slope = y2-y1/x2-x1
= - 2/7=-2-k/-3-4
=-2/7=-2-k/-7
=-2/7=-(2+k)/-7
=-2/7= 2+k/7
=-2=2+k
=-2-2=k
=-4=k
K=-4
Hope it is helpful..