Algebra-1

To determine which line is perpendicular to , we need to find the negative reciprocal of the slope of this line.

 

Finding the Slope of 

The slope of this line is  .

 

Negative Reciprocal

The negative reciprocal of   is .

 

Checking Each Option

A. 

Slope: 

This is not the reciprocal of  (which is ), so this line is not perpendicular.

 

B. 

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