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28-03-2017
Mathematics

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What is the slope of the line that passes through the points (4,3) and (2,7)

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Аноним Аноним

28-03-2017

Y=mx+b
4m+b=3
2m+b=7
4m+b-2m-b=-4
2m=-4
m=-2
4(-2)+b=3
-8+b=3
b=11
The slope of line: Y=-2x+11
That's your answer, lovely~

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