Which of the following pairs of lines are perpendicular? Select all that apply.

y  = - 8

y = - + 3

y  = - 8

y =

Step-by-step explanation:

To know the pairs that are perpendicular lines, we need to understand what makes a line perpendicular to another.

Perpendicular lines generally have slopes;

      m and

So, any of the pairs with a negative inverse value of slope will be perpendicular.

     y  = - 8         slope =

     y =       slope  =

We see they are negative inverses

     y  = - 8         slope  =

     y =        slope =

These are also negative inverses.

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

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