Question

The line through the points (6, 3) and (4, –5) is perpendicular to the line through which of the following points?

Answer 1

Explanation:

( 6 , 3 )

( 4 , - 5 )

m =
`(-5-3)/(4-6)` = 4

The slope of the perpendicular line is opposite reciprocal or
`-(1)/(4)` , so, the answer is (a).