chell7ipiliniamsonm chell7ipiliniamsonm

18-08-2016
Mathematics

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find an equation for the line through (4,7) with the given relationship to y=2x-4: a. parallel & b. perpendicular

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nobillionaireNobley nobillionaireNobley

18-08-2016

a.) Parallel lines has equal slopes, hence slope of required equation = slope of y = 2x - 4 = 2
required equation is y - y1 = m(x - x1)
y - 7 = 2(x - 4)
y - 7 = 2x - 8
y = 2x - 8 + 7
y = 2x - 1

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