Mark M. answered • 09/22/21
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Mathematics Teacher - NCLB Highly Qualified
m = (8 + 12) / (0 + 18) Slope formula from Algebra 1.
Faith G.
asked • 09/22/21Find the slope of the line through the points (−18,−12) and (0,8).
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2 Answers By Expert Tutors
Roger N. answered • 09/22/21
Tutor
4.9
(292)
. BE in Civil Engineering . Senior Structural/Civil Engineer
Solution:
The slope of the line m = y2-y1/ x2-x1 through points (x1,y1) = (-18,-12) and (x2,y2) = (0,8)
m = 8-(-12)/ 0-(-18) = 8+12 / 18 = 20/18 = 10/9 or you can switch the points as (x1,y1) = (0,8) and
(x2.y2)=(-18,-12) and m = -12-8 / `-18-0 = -20/-18 = 820/18= 10/9 and you get the same slope
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Sehyun H.
Dear Mr Mark M., Thanks for sharing your answer! I also solved my question for my homework but I am wondering if my method is correct. I received no answer, hence, do you mind if you can look at my 2 questions, please? Here is the link for them: - https://www.wyzant.com/resources/answers/866132/a-coach-must-choose-8-players-randomly-from-10-players-and-assign-them-to-t - https://www.wyzant.com/resources/answers/866134/in-how-many-ways-can-the-letters-and-numbers-of-math1011-be-arranged-if-all Thanks for your kind assistance in advance. Best regards09/22/21