Question

Consider the following equation.

y = x - 7

Which of the following lines is perpendicular to the one above?

Select answer A y = x - 10
Select answer B y = 2x - 5
Select answer C y = 2/3x - 12
Select answer D y = -x - 12

Answer 1

1 does not have a reciprocal. so y = -x - 12 since it's opposite or negative

Answer 2

y= -x-12

Answer 3

or rather the reciprocal of 1 is just 1. 1/1 etc

Answer 4

D

Answer 5

next one coming ! XD thanks m8