SOLUTION: Line L has a slope of -3. The line through which of the following pair of points is perpendicular to L.
a. (-2,-3), (-3,-6)
b. (-18,-1),(-3,0)
c. (-4,-3), (-3,-6)
d. (-6,-4), (
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Question 1044331: Line L has a slope of -3. The line through which of the following pair of points is perpendicular to L.
a. (-2,-3), (-3,-6)
b. (-18,-1),(-3,0)
c. (-4,-3), (-3,-6)
d. (-6,-4), (-3,-3)
How can I solve this?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!
equation of a line is: where is slope and is y-intercept
if given line has a slope of , means
the line perpendicular to L will have slope a negative reciprocal of and it is
now check given choices:
a. (,), (,)
-> true, so pair of points (,), (,) is on a line perpendicular to L
b. (,), (,)
-> not true, so pair of points (,), (,) is not on a line perpendicular to L
c.
(,), (,)
-> not true, so pair of points (,), (,) is not on a line perpendicular to L
d.
(,), (,)
-> not true, so pair of points (,), (,) is not on a line perpendicular to L
so, option a. (,), (,) is your answer
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