SOLUTION: A line L1 has a slope of -2/9. The line that passes through which of the following pairs of points is parallel to L1? [A] (-7,-4) and (-5,5) [B] (-14,-2) and (-5,7) [C] (2,-5)

Algebra ->  Linear-equations -> SOLUTION: A line L1 has a slope of -2/9. The line that passes through which of the following pairs of points is parallel to L1? [A] (-7,-4) and (-5,5) [B] (-14,-2) and (-5,7) [C] (2,-5)      Log On


   

Question 970116: A line L1 has a slope of -2/9. The line that passes through which of the following pairs of points is parallel to L1?
[A] (-7,-4) and (-5,5)
[B] (-14,-2) and (-5,7)
[C] (2,-5) and (5,-7)
[D] (-4,-5) and (5,-7)
Answer by amarjeeth123(570) About Me  (Show Source):
You can put this solution on YOUR website!
The slope of L1 is -2/9.
The slope of a line parallel to L1 is -2/9.
The slope of a line passing through (x1,y1)(x2,y2) is (y2-y1)/(x2-x1)
The slope of line passing through (-4,-5) and (5,-7) is (-7+5)/(5+4)=-2/9.
The answer is (D).