Question

A line passes through (6,3), (8,4), and (n, -2). What is the value of n?

Answer 1

(6,3)(8,4)(n,-2)

4-3= 1
8-6= 2
slope is 1/2

y=mx+b
4=1/2(8)+b
4=4+b
b=0

y=1/2x
-2=1/2x
*2   *2

n = -1