Question

If two lines are perpendicular and one has a slope of -, what is the slope of the other line?

Answer 1

A. 7 because the recipricle and 7 over 1 is just 7.

Answer 2

We know, perpendicular lines have opposite & reciprocal slope.
So, reciprocal of -1/7 is -7
Now, opposite of -7 is 7

In short, Your Answer would be Option A) 7

Hope this helps!