austing26 austing26

03-02-2017
Mathematics

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thelma wants to find the equation of a line that passes through the point (2,2) and is perpendicular to the line y=1/2x+5

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TheHero TheHero

03-02-2017

perpendicular slope :

m1 * m2 = -1

1/2 * m2 = -1

m2 = -2

y = -2x + b

2 = -4 +b

b = 6

y = -2x + 6

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