Answer:
36
Step-by-step explanation:
Plug in -7 as m and 2 as n into the expression:
4 | m - n |
4 | -7 -2 |
Solve:
4 | -9 |
4(9)
= 36
This could be written as y= -2x+6 in standard form
6x=16
÷6 both sides
x=16/6 or 8/3
yes it is always coplanar with two intersecting lines.