Question

What is the slope of a line perpendicular to a line that passes through (3,8) and (1,-4)?

A. -1/6
B. -1/2
C. 2
D. 6

Answer 1

The slope of a line is 6, D

Answer 2

slope= y²-y¹

x²-x¹

-4-8

1-3

-12

-2

= 6