# Intro to Algebra Parallel and Perpendicular

## Document preview:

So the first thing I must do is find the negative reciprocal of 1 The reciprocal of 1 is 1 and the negative of that is -1. Now I know my slope is -1 and my given point is (-7, 1) Again, I will use the point-slope form of a linear equation to write my new equation. y-y1 =m(x-x1) this is the general form of the point-slope equation y-1 =-1([x-(-7)] I plugged in my given slope and ordered pair y-1 = -1 [x+7] I evaluated any signs next to each other y-1 = -x -7 I have opened the brackets y = -x -7+1 I have grouped the like terms together y = -x -6 this is the equation of the perpendicular line.

Intro to Algebra Parallel and Perpendicular

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