2 Answers

Russ · Answer 1 · 2020-09-20T17:04:06+0000

For this case we have a function of the form
y = f (x) , where
f (x) = 2x-6.

We want to know the slope of a line that is perpendicular to the line given by
f (x).

By definition, if two lines are perpendicular then:

$m_ {1} * m_ {2} = - 1$

We know that
y = 2x-6 has slope
$m_ {1} = 2$

We are looking for
$m_ {2}$ :

$2 * m_ {2} = - 1\\m_ {2} = - \frac {1} {2}$

Answer:

Option A

$m = - \frac {1} {2}$

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