SOLUTION: 8. Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1 point) m = –2 m = 2 m = negative one over two m = –1 check my

Algebra ->  Linear-equations -> SOLUTION: 8. Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1 point) m = –2 m = 2 m = negative one over two m = –1 check my      Log On


   

Question 876971: 8. Find the slope of a line that is perpendicular to the line containing the points (–2, –1) and (2, –3). (1 point)
m = –2
m = 2
m = negative one over two
m = –1
check my answer please
***C
Found 2 solutions by richwmiller, josgarithmetic:
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
-1-(-3)=2
-2-2=-4
2/-4=-1/2
we want the slope of a line perpendicular
that would be 2
b) 2

Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
m%5Bi%5D=%28-3-%28-1%29%29%2F%282-%28-2%29%29=%28-2%29%2F4=-1%2F2

p for perpendicular.
m%5Bp%5D%2Am%5Bi%5D=-1
m%5Bp%5D=-1%2Fm%5Bi%5D
m%5Bp%5D=-1%2F%28-1%2F2%29
m%5Bp%5D=2