Question

find the slope for 1,6 and 6,8

Answer 1

This should help you: http://cs.selu.edu/~rbyrd/math/slope/

Answer 2

The formula to find slope is,

\[\huge\ slope=m=\frac{ y_2-y_1 }{ x_2-x_1 }\]

Here,

\[\huge\ (x_1,y_1)=(1,6),(x_2,y_2)=(6,8)\]