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(2,a) and (5,-3) is parallel to the line passing through the points (4,8) and (-5,a+1), what is the value of a?
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Asked 11/18/2014 2:28:03 PM
Updated 11/18/2014 10:53:35 PM
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User: (2,a) and (5,-3) is parallel to the line passing through the points (4,8) and (-5,a+1), what is the value of a?

Weegy: -3/8 + -5/8 = -8/8 = -1
stickman|Points 6262|

User: (2,a) and (5,-3) is parallel to the line passing through the points (4,8) and (-5,a+1)

Question
Asked 11/18/2014 2:28:03 PM
Updated 11/18/2014 10:53:35 PM
1 Answer/Comment
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8
(2,a) and (5,-3) is parallel to the line passing through the points (4,8) and (-5,a+1), The value of a is -8 .
(-3 - a)/(5 - 2) = (a + 1 - 8)/(-5 - 4)
(-3 - a)/3 = (a - 7)/-9
-9(-3 - a) = 3(a - 7)
-3(-3 - a) = a - 7
9 + 3a = a - 7
2a = -16
a = -8 .
Added 11/18/2014 10:53:35 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [11/19/2014 7:06:42 AM], Rated good by jeifunk
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